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Finding the Fourth Proportional to 238,230.52, 328,762.23 and 130,805.08

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Solution

The fourth proportional to 238,230.52, 328,762.23 and 130,805.08 is: 180,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,230.52 : 328,762.23 = 130,805.08 : x
  2. Step 2: Convert to fraction form
    238,230.52/328,762.23 = 130,805.08/x
  3. Step 3: Cross multiply
    238,230.52x = 328,762.23 × 130,805.08
  4. Step 4: Simplify right side
    238,230.52x = 43,003,769,796.13
  5. Step 5: Solve for x
    x = 43,003,769,796.13/238,230.52
  6. Step 6: Final answer
    x = 180,513.27

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1.5x scale

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.