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Finding the Fourth Proportional to 153,324.54, 229,987.89 and 53,484.30

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Solution

The fourth proportional to 153,324.54, 229,987.89 and 53,484.30 is: 80,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,324.54 : 229,987.89 = 53,484.30 : x
  2. Step 2: Convert to fraction form
    153,324.54/229,987.89 = 53,484.30/x
  3. Step 3: Cross multiply
    153,324.54x = 229,987.89 × 53,484.30
  4. Step 4: Simplify right side
    153,324.54x = 12,300,741,305.13
  5. Step 5: Solve for x
    x = 12,300,741,305.13/153,324.54
  6. Step 6: Final answer
    x = 80,226.83

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1.5x scale

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.