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Finding the Fourth Proportional to 249,270.40, 373,827.18 and 80,751.64

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Solution

The fourth proportional to 249,270.40, 373,827.18 and 80,751.64 is: 121,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,270.40 : 373,827.18 = 80,751.64 : x
  2. Step 2: Convert to fraction form
    249,270.40/373,827.18 = 80,751.64/x
  3. Step 3: Cross multiply
    249,270.40x = 373,827.18 × 80,751.64
  4. Step 4: Simplify right side
    249,270.40x = 30,187,157,861.58
  5. Step 5: Solve for x
    x = 30,187,157,861.58/249,270.40
  6. Step 6: Final answer
    x = 121,102.06

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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.