Home / 318,624.06-477,937.34-129,088.00

Finding the Fourth Proportional to 318,624.06, 477,937.34 and 129,088.00

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Solution

The fourth proportional to 318,624.06, 477,937.34 and 129,088.00 is: 193,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,624.06 : 477,937.34 = 129,088.00 : x
  2. Step 2: Convert to fraction form
    318,624.06/477,937.34 = 129,088.00/x
  3. Step 3: Cross multiply
    318,624.06x = 477,937.34 × 129,088.00
  4. Step 4: Simplify right side
    318,624.06x = 61,695,976,763.12
  5. Step 5: Solve for x
    x = 61,695,976,763.12/318,624.06
  6. Step 6: Final answer
    x = 193,632.51

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1.5x scale

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.