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Finding the Fourth Proportional to 180,404.52, 249,008.28 and 104,967.60

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Solution

The fourth proportional to 180,404.52, 249,008.28 and 104,967.60 is: 144,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,404.52 : 249,008.28 = 104,967.60 : x
  2. Step 2: Convert to fraction form
    180,404.52/249,008.28 = 104,967.60/x
  3. Step 3: Cross multiply
    180,404.52x = 249,008.28 × 104,967.60
  4. Step 4: Simplify right side
    180,404.52x = 26,137,801,531.73
  5. Step 5: Solve for x
    x = 26,137,801,531.73/180,404.52
  6. Step 6: Final answer
    x = 144,884.40

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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.