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Finding the Fourth Proportional to 610,388.63, 915,582.95 and 236,411.63

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Solution

The fourth proportional to 610,388.63, 915,582.95 and 236,411.63 is: 354,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,388.63 : 915,582.95 = 236,411.63 : x
  2. Step 2: Convert to fraction form
    610,388.63/915,582.95 = 236,411.63/x
  3. Step 3: Cross multiply
    610,388.63x = 915,582.95 × 236,411.63
  4. Step 4: Simplify right side
    610,388.63x = 216,454,451,849.74
  5. Step 5: Solve for x
    x = 216,454,451,849.74/610,388.63
  6. Step 6: Final answer
    x = 354,617.44

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.