Home / 314,988.04-472,397.82-215,131.24

Finding the Fourth Proportional to 314,988.04, 472,397.82 and 215,131.24

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Solution

The fourth proportional to 314,988.04, 472,397.82 and 215,131.24 is: 322,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,988.04 : 472,397.82 = 215,131.24 : x
  2. Step 2: Convert to fraction form
    314,988.04/472,397.82 = 215,131.24/x
  3. Step 3: Cross multiply
    314,988.04x = 472,397.82 × 215,131.24
  4. Step 4: Simplify right side
    314,988.04x = 101,627,528,789.90
  5. Step 5: Solve for x
    x = 101,627,528,789.90/314,988.04
  6. Step 6: Final answer
    x = 322,639.33

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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.