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Finding the Fourth Proportional to 249,228.70, 373,901.98 and 80,748.74

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Solution

The fourth proportional to 249,228.70, 373,901.98 and 80,748.74 is: 121,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,228.70 : 373,901.98 = 80,748.74 : x
  2. Step 2: Convert to fraction form
    249,228.70/373,901.98 = 80,748.74/x
  3. Step 3: Cross multiply
    249,228.70x = 373,901.98 × 80,748.74
  4. Step 4: Simplify right side
    249,228.70x = 30,192,113,768.51
  5. Step 5: Solve for x
    x = 30,192,113,768.51/249,228.70
  6. Step 6: Final answer
    x = 121,142.20

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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.