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Finding the Fourth Proportional to 610,073.03, 914,500.49 and 210,458.90

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Solution

The fourth proportional to 610,073.03, 914,500.49 and 210,458.90 is: 315,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,073.03 : 914,500.49 = 210,458.90 : x
  2. Step 2: Convert to fraction form
    610,073.03/914,500.49 = 210,458.90/x
  3. Step 3: Cross multiply
    610,073.03x = 914,500.49 × 210,458.90
  4. Step 4: Simplify right side
    610,073.03x = 192,464,761,550.06
  5. Step 5: Solve for x
    x = 192,464,761,550.06/610,073.03
  6. Step 6: Final answer
    x = 315,478.24

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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.