Home / 314,935.20-472,402.80-172,725.52

Finding the Fourth Proportional to 314,935.20, 472,402.80 and 172,725.52

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Solution

The fourth proportional to 314,935.20, 472,402.80 and 172,725.52 is: 259,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935.20 : 472,402.80 = 172,725.52 : x
  2. Step 2: Convert to fraction form
    314,935.20/472,402.80 = 172,725.52/x
  3. Step 3: Cross multiply
    314,935.20x = 472,402.80 × 172,725.52
  4. Step 4: Simplify right side
    314,935.20x = 81,596,019,279.46
  5. Step 5: Solve for x
    x = 81,596,019,279.46/314,935.20
  6. Step 6: Final answer
    x = 259,088.28

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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.