Home / 356,038.57-533,688.79-222,612.43

Finding the Fourth Proportional to 356,038.57, 533,688.79 and 222,612.43

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Solution

The fourth proportional to 356,038.57, 533,688.79 and 222,612.43 is: 333,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,038.57 : 533,688.79 = 222,612.43 : x
  2. Step 2: Convert to fraction form
    356,038.57/533,688.79 = 222,612.43/x
  3. Step 3: Cross multiply
    356,038.57x = 533,688.79 × 222,612.43
  4. Step 4: Simplify right side
    356,038.57x = 118,805,757,292.60
  5. Step 5: Solve for x
    x = 118,805,757,292.60/356,038.57
  6. Step 6: Final answer
    x = 333,687.89

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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.