Home / 418,667.25-577,743.30-237,391.47

Finding the Fourth Proportional to 418,667.25, 577,743.30 and 237,391.47

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Solution

The fourth proportional to 418,667.25, 577,743.30 and 237,391.47 is: 327,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,667.25 : 577,743.30 = 237,391.47 : x
  2. Step 2: Convert to fraction form
    418,667.25/577,743.30 = 237,391.47/x
  3. Step 3: Cross multiply
    418,667.25x = 577,743.30 × 237,391.47
  4. Step 4: Simplify right side
    418,667.25x = 137,151,331,269.65
  5. Step 5: Solve for x
    x = 137,151,331,269.65/418,667.25
  6. Step 6: Final answer
    x = 327,590.30

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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.