Home / 288,444.03-432,666.37-75,211.76

Finding the Fourth Proportional to 288,444.03, 432,666.37 and 75,211.76

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Solution

The fourth proportional to 288,444.03, 432,666.37 and 75,211.76 is: 112,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,444.03 : 432,666.37 = 75,211.76 : x
  2. Step 2: Convert to fraction form
    288,444.03/432,666.37 = 75,211.76/x
  3. Step 3: Cross multiply
    288,444.03x = 432,666.37 × 75,211.76
  4. Step 4: Simplify right side
    288,444.03x = 32,541,597,333.91
  5. Step 5: Solve for x
    x = 32,541,597,333.91/288,444.03
  6. Step 6: Final answer
    x = 112,817.72

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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.