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Finding the Fourth Proportional to 65,240.70, 97,861.05 and 30,248.70

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Solution

The fourth proportional to 65,240.70, 97,861.05 and 30,248.70 is: 45,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240.70 : 97,861.05 = 30,248.70 : x
  2. Step 2: Convert to fraction form
    65,240.70/97,861.05 = 30,248.70/x
  3. Step 3: Cross multiply
    65,240.70x = 97,861.05 × 30,248.70
  4. Step 4: Simplify right side
    65,240.70x = 2,960,169,543.14
  5. Step 5: Solve for x
    x = 2,960,169,543.14/65,240.70
  6. Step 6: Final answer
    x = 45,373.05

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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.