Home / 288,780.17-433,011.69-89,045.10

Finding the Fourth Proportional to 288,780.17, 433,011.69 and 89,045.10

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Solution

The fourth proportional to 288,780.17, 433,011.69 and 89,045.10 is: 133,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,780.17 : 433,011.69 = 89,045.10 : x
  2. Step 2: Convert to fraction form
    288,780.17/433,011.69 = 89,045.10/x
  3. Step 3: Cross multiply
    288,780.17x = 433,011.69 × 89,045.10
  4. Step 4: Simplify right side
    288,780.17x = 38,557,569,237.22
  5. Step 5: Solve for x
    x = 38,557,569,237.22/288,780.17
  6. Step 6: Final answer
    x = 133,518.76

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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.