Home / 288,811.04-433,057.96-89,076

Finding the Fourth Proportional to 288,811.04, 433,057.96 and 89,076

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Solution

The fourth proportional to 288,811.04, 433,057.96 and 89,076 is: 133,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,811.04 : 433,057.96 = 89,076 : x
  2. Step 2: Convert to fraction form
    288,811.04/433,057.96 = 89,076/x
  3. Step 3: Cross multiply
    288,811.04x = 433,057.96 × 89,076
  4. Step 4: Simplify right side
    288,811.04x = 38,575,070,844.96
  5. Step 5: Solve for x
    x = 38,575,070,844.96/288,811.04
  6. Step 6: Final answer
    x = 133,565.08

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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.