Home / 313,116.65-469,138.15-210,341.36

Finding the Fourth Proportional to 313,116.65, 469,138.15 and 210,341.36

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Solution

The fourth proportional to 313,116.65, 469,138.15 and 210,341.36 is: 315,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,116.65 : 469,138.15 = 210,341.36 : x
  2. Step 2: Convert to fraction form
    313,116.65/469,138.15 = 210,341.36/x
  3. Step 3: Cross multiply
    313,116.65x = 469,138.15 × 210,341.36
  4. Step 4: Simplify right side
    313,116.65x = 98,679,156,660.63
  5. Step 5: Solve for x
    x = 98,679,156,660.63/313,116.65
  6. Step 6: Final answer
    x = 315,151.42

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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.