Home / 238,316.28-328,878.72-130,888.50

Finding the Fourth Proportional to 238,316.28, 328,878.72 and 130,888.50

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Solution

The fourth proportional to 238,316.28, 328,878.72 and 130,888.50 is: 180,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,316.28 : 328,878.72 = 130,888.50 : x
  2. Step 2: Convert to fraction form
    238,316.28/328,878.72 = 130,888.50/x
  3. Step 3: Cross multiply
    238,316.28x = 328,878.72 × 130,888.50
  4. Step 4: Simplify right side
    238,316.28x = 43,046,442,342.72
  5. Step 5: Solve for x
    x = 43,046,442,342.72/238,316.28
  6. Step 6: Final answer
    x = 180,627.37

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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.