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Finding the Fourth Proportional to 401,502.50, 602,487.03 and 179,886.50

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Solution

The fourth proportional to 401,502.50, 602,487.03 and 179,886.50 is: 269,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,502.50 : 602,487.03 = 179,886.50 : x
  2. Step 2: Convert to fraction form
    401,502.50/602,487.03 = 179,886.50/x
  3. Step 3: Cross multiply
    401,502.50x = 602,487.03 × 179,886.50
  4. Step 4: Simplify right side
    401,502.50x = 108,379,283,122.10
  5. Step 5: Solve for x
    x = 108,379,283,122.10/401,502.50
  6. Step 6: Final answer
    x = 269,934.27

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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.