Home / 316,771.12-437,155.03-173,531.13

Finding the Fourth Proportional to 316,771.12, 437,155.03 and 173,531.13

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Solution

The fourth proportional to 316,771.12, 437,155.03 and 173,531.13 is: 239,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,771.12 : 437,155.03 = 173,531.13 : x
  2. Step 2: Convert to fraction form
    316,771.12/437,155.03 = 173,531.13/x
  3. Step 3: Cross multiply
    316,771.12x = 437,155.03 × 173,531.13
  4. Step 4: Simplify right side
    316,771.12x = 75,860,005,360.81
  5. Step 5: Solve for x
    x = 75,860,005,360.81/316,771.12
  6. Step 6: Final answer
    x = 239,478.92

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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.