Home / 406,734.68-561,292.89-222,972.93

Finding the Fourth Proportional to 406,734.68, 561,292.89 and 222,972.93

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Solution

The fourth proportional to 406,734.68, 561,292.89 and 222,972.93 is: 307,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,734.68 : 561,292.89 = 222,972.93 : x
  2. Step 2: Convert to fraction form
    406,734.68/561,292.89 = 222,972.93/x
  3. Step 3: Cross multiply
    406,734.68x = 561,292.89 × 222,972.93
  4. Step 4: Simplify right side
    406,734.68x = 125,153,116,350.14
  5. Step 5: Solve for x
    x = 125,153,116,350.14/406,734.68
  6. Step 6: Final answer
    x = 307,702.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.