Home / 229,445.61-344,090.78-87,257.10

Finding the Fourth Proportional to 229,445.61, 344,090.78 and 87,257.10

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Solution

The fourth proportional to 229,445.61, 344,090.78 and 87,257.10 is: 130,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,445.61 : 344,090.78 = 87,257.10 : x
  2. Step 2: Convert to fraction form
    229,445.61/344,090.78 = 87,257.10/x
  3. Step 3: Cross multiply
    229,445.61x = 344,090.78 × 87,257.10
  4. Step 4: Simplify right side
    229,445.61x = 30,024,363,336.12
  5. Step 5: Solve for x
    x = 30,024,363,336.12/229,445.61
  6. Step 6: Final answer
    x = 130,856.12

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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.