Home / 406,744.08-561,300.02-222,981.42

Finding the Fourth Proportional to 406,744.08, 561,300.02 and 222,981.42

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Solution

The fourth proportional to 406,744.08, 561,300.02 and 222,981.42 is: 307,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,744.08 : 561,300.02 = 222,981.42 : x
  2. Step 2: Convert to fraction form
    406,744.08/561,300.02 = 222,981.42/x
  3. Step 3: Cross multiply
    406,744.08x = 561,300.02 × 222,981.42
  4. Step 4: Simplify right side
    406,744.08x = 125,159,475,505.63
  5. Step 5: Solve for x
    x = 125,159,475,505.63/406,744.08
  6. Step 6: Final answer
    x = 307,710.63

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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.