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Finding the Fourth Proportional to 239,009.04, 358,575.84 and 89,250.60

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Solution

The fourth proportional to 239,009.04, 358,575.84 and 89,250.60 is: 133,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,009.04 : 358,575.84 = 89,250.60 : x
  2. Step 2: Convert to fraction form
    239,009.04/358,575.84 = 89,250.60/x
  3. Step 3: Cross multiply
    239,009.04x = 358,575.84 × 89,250.60
  4. Step 4: Simplify right side
    239,009.04x = 32,003,108,865.50
  5. Step 5: Solve for x
    x = 32,003,108,865.50/239,009.04
  6. Step 6: Final answer
    x = 133,899.16

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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.