Home / 238,242.48-328,772.43-130,817.04

Finding the Fourth Proportional to 238,242.48, 328,772.43 and 130,817.04

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Solution

The fourth proportional to 238,242.48, 328,772.43 and 130,817.04 is: 180,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,242.48 : 328,772.43 = 130,817.04 : x
  2. Step 2: Convert to fraction form
    238,242.48/328,772.43 = 130,817.04/x
  3. Step 3: Cross multiply
    238,242.48x = 328,772.43 × 130,817.04
  4. Step 4: Simplify right side
    238,242.48x = 43,009,036,126.21
  5. Step 5: Solve for x
    x = 43,009,036,126.21/238,242.48
  6. Step 6: Final answer
    x = 180,526.31

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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.