Home / 316,988.19-437,454.54-173,748.20

Finding the Fourth Proportional to 316,988.19, 437,454.54 and 173,748.20

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Solution

The fourth proportional to 316,988.19, 437,454.54 and 173,748.20 is: 239,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,988.19 : 437,454.54 = 173,748.20 : x
  2. Step 2: Convert to fraction form
    316,988.19/437,454.54 = 173,748.20/x
  3. Step 3: Cross multiply
    316,988.19x = 437,454.54 × 173,748.20
  4. Step 4: Simplify right side
    316,988.19x = 76,006,936,719.56
  5. Step 5: Solve for x
    x = 76,006,936,719.56/316,988.19
  6. Step 6: Final answer
    x = 239,778.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.