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Finding the Fourth Proportional to 341,740.70, 512,608.35 and 89,020.70

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Solution

The fourth proportional to 341,740.70, 512,608.35 and 89,020.70 is: 133,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,740.70 : 512,608.35 = 89,020.70 : x
  2. Step 2: Convert to fraction form
    341,740.70/512,608.35 = 89,020.70/x
  3. Step 3: Cross multiply
    341,740.70x = 512,608.35 × 89,020.70
  4. Step 4: Simplify right side
    341,740.70x = 45,632,754,142.85
  5. Step 5: Solve for x
    x = 45,632,754,142.85/341,740.70
  6. Step 6: Final answer
    x = 133,530.35

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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.