Home / 288,849.66-433,234.40-89,176.62

Finding the Fourth Proportional to 288,849.66, 433,234.40 and 89,176.62

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Solution

The fourth proportional to 288,849.66, 433,234.40 and 89,176.62 is: 133,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,849.66 : 433,234.40 = 89,176.62 : x
  2. Step 2: Convert to fraction form
    288,849.66/433,234.40 = 89,176.62/x
  3. Step 3: Cross multiply
    288,849.66x = 433,234.40 × 89,176.62
  4. Step 4: Simplify right side
    288,849.66x = 38,634,379,459.73
  5. Step 5: Solve for x
    x = 38,634,379,459.73/288,849.66
  6. Step 6: Final answer
    x = 133,752.55

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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.