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Finding the Fourth Proportional to 181,630.40, 272,445.60 and 97,649.60

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Solution

The fourth proportional to 181,630.40, 272,445.60 and 97,649.60 is: 146,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,630.40 : 272,445.60 = 97,649.60 : x
  2. Step 2: Convert to fraction form
    181,630.40/272,445.60 = 97,649.60/x
  3. Step 3: Cross multiply
    181,630.40x = 272,445.60 × 97,649.60
  4. Step 4: Simplify right side
    181,630.40x = 26,604,203,861.76
  5. Step 5: Solve for x
    x = 26,604,203,861.76/181,630.40
  6. Step 6: Final answer
    x = 146,474.40

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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.