Home / 288,796.62-433,252.67-89,109.49

Finding the Fourth Proportional to 288,796.62, 433,252.67 and 89,109.49

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Solution

The fourth proportional to 288,796.62, 433,252.67 and 89,109.49 is: 133,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,796.62 : 433,252.67 = 89,109.49 : x
  2. Step 2: Convert to fraction form
    288,796.62/433,252.67 = 89,109.49/x
  3. Step 3: Cross multiply
    288,796.62x = 433,252.67 × 89,109.49
  4. Step 4: Simplify right side
    288,796.62x = 38,606,925,718.89
  5. Step 5: Solve for x
    x = 38,606,925,718.89/288,796.62
  6. Step 6: Final answer
    x = 133,682.06

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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.