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Finding the Fourth Proportional to 373,822.70, 557,873.33 and 333,931.82

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Solution

The fourth proportional to 373,822.70, 557,873.33 and 333,931.82 is: 498,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,822.70 : 557,873.33 = 333,931.82 : x
  2. Step 2: Convert to fraction form
    373,822.70/557,873.33 = 333,931.82/x
  3. Step 3: Cross multiply
    373,822.70x = 557,873.33 × 333,931.82
  4. Step 4: Simplify right side
    373,822.70x = 186,291,651,957.34
  5. Step 5: Solve for x
    x = 186,291,651,957.34/373,822.70
  6. Step 6: Final answer
    x = 498,342.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.