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Finding the Fourth Proportional to 144,800.10, 217,200.15 and 97,560.90

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Solution

The fourth proportional to 144,800.10, 217,200.15 and 97,560.90 is: 146,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,800.10 : 217,200.15 = 97,560.90 : x
  2. Step 2: Convert to fraction form
    144,800.10/217,200.15 = 97,560.90/x
  3. Step 3: Cross multiply
    144,800.10x = 217,200.15 × 97,560.90
  4. Step 4: Simplify right side
    144,800.10x = 21,190,242,114.14
  5. Step 5: Solve for x
    x = 21,190,242,114.14/144,800.10
  6. Step 6: Final answer
    x = 146,341.35

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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.