Home / 387,247.66-581,099.03-162,590.82

Finding the Fourth Proportional to 387,247.66, 581,099.03 and 162,590.82

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Solution

The fourth proportional to 387,247.66, 581,099.03 and 162,590.82 is: 243,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,247.66 : 581,099.03 = 162,590.82 : x
  2. Step 2: Convert to fraction form
    387,247.66/581,099.03 = 162,590.82/x
  3. Step 3: Cross multiply
    387,247.66x = 581,099.03 × 162,590.82
  4. Step 4: Simplify right side
    387,247.66x = 94,481,367,788.90
  5. Step 5: Solve for x
    x = 94,481,367,788.90/387,247.66
  6. Step 6: Final answer
    x = 243,981.77

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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.