Home / 288,675.35-433,053.12-89,011.43

Finding the Fourth Proportional to 288,675.35, 433,053.12 and 89,011.43

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Solution

The fourth proportional to 288,675.35, 433,053.12 and 89,011.43 is: 133,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,675.35 : 433,053.12 = 89,011.43 : x
  2. Step 2: Convert to fraction form
    288,675.35/433,053.12 = 89,011.43/x
  3. Step 3: Cross multiply
    288,675.35x = 433,053.12 × 89,011.43
  4. Step 4: Simplify right side
    288,675.35x = 38,546,677,032.10
  5. Step 5: Solve for x
    x = 38,546,677,032.10/288,675.35
  6. Step 6: Final answer
    x = 133,529.51

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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.