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Finding the Fourth Proportional to 249,635.60, 374,453.40 and 138,827.60

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Solution

The fourth proportional to 249,635.60, 374,453.40 and 138,827.60 is: 208,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,635.60 : 374,453.40 = 138,827.60 : x
  2. Step 2: Convert to fraction form
    249,635.60/374,453.40 = 138,827.60/x
  3. Step 3: Cross multiply
    249,635.60x = 374,453.40 × 138,827.60
  4. Step 4: Simplify right side
    249,635.60x = 51,984,466,833.84
  5. Step 5: Solve for x
    x = 51,984,466,833.84/249,635.60
  6. Step 6: Final answer
    x = 208,241.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.