Home / 316,981.97-437,434.20-173,741.57

Finding the Fourth Proportional to 316,981.97, 437,434.20 and 173,741.57

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Solution

The fourth proportional to 316,981.97, 437,434.20 and 173,741.57 is: 239,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,981.97 : 437,434.20 = 173,741.57 : x
  2. Step 2: Convert to fraction form
    316,981.97/437,434.20 = 173,741.57/x
  3. Step 3: Cross multiply
    316,981.97x = 437,434.20 × 173,741.57
  4. Step 4: Simplify right side
    316,981.97x = 76,000,502,492.52
  5. Step 5: Solve for x
    x = 76,000,502,492.52/316,981.97
  6. Step 6: Final answer
    x = 239,762.86

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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.