Home / 288,724.17-433,160.07-120,188.46

Finding the Fourth Proportional to 288,724.17, 433,160.07 and 120,188.46

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Solution

The fourth proportional to 288,724.17, 433,160.07 and 120,188.46 is: 180,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,724.17 : 433,160.07 = 120,188.46 : x
  2. Step 2: Convert to fraction form
    288,724.17/433,160.07 = 120,188.46/x
  3. Step 3: Cross multiply
    288,724.17x = 433,160.07 × 120,188.46
  4. Step 4: Simplify right side
    288,724.17x = 52,060,841,746.79
  5. Step 5: Solve for x
    x = 52,060,841,746.79/288,724.17
  6. Step 6: Final answer
    x = 180,313.42

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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.