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Finding the Fourth Proportional to 272,024.30, 407,638.05 and 243,944.30

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Solution

The fourth proportional to 272,024.30, 407,638.05 and 243,944.30 is: 365,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,024.30 : 407,638.05 = 243,944.30 : x
  2. Step 2: Convert to fraction form
    272,024.30/407,638.05 = 243,944.30/x
  3. Step 3: Cross multiply
    272,024.30x = 407,638.05 × 243,944.30
  4. Step 4: Simplify right side
    272,024.30x = 99,440,978,760.62
  5. Step 5: Solve for x
    x = 99,440,978,760.62/272,024.30
  6. Step 6: Final answer
    x = 365,559.18

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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.