Home / 288,411.23-432,623.84-88,733.27

Finding the Fourth Proportional to 288,411.23, 432,623.84 and 88,733.27

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Solution

The fourth proportional to 288,411.23, 432,623.84 and 88,733.27 is: 133,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,411.23 : 432,623.84 = 88,733.27 : x
  2. Step 2: Convert to fraction form
    288,411.23/432,623.84 = 88,733.27/x
  3. Step 3: Cross multiply
    288,411.23x = 432,623.84 × 88,733.27
  4. Step 4: Simplify right side
    288,411.23x = 38,388,128,641.05
  5. Step 5: Solve for x
    x = 38,388,128,641.05/288,411.23
  6. Step 6: Final answer
    x = 133,102.06

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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.