Home / 238,329.48-328,898.64-130,909.44

Finding the Fourth Proportional to 238,329.48, 328,898.64 and 130,909.44

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Solution

The fourth proportional to 238,329.48, 328,898.64 and 130,909.44 is: 180,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,329.48 : 328,898.64 = 130,909.44 : x
  2. Step 2: Convert to fraction form
    238,329.48/328,898.64 = 130,909.44/x
  3. Step 3: Cross multiply
    238,329.48x = 328,898.64 × 130,909.44
  4. Step 4: Simplify right side
    238,329.48x = 43,055,936,779.16
  5. Step 5: Solve for x
    x = 43,055,936,779.16/238,329.48
  6. Step 6: Final answer
    x = 180,657.20

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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.