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Finding the Fourth Proportional to 253,165.20, 379,747.80 and 249,228.60

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Solution

The fourth proportional to 253,165.20, 379,747.80 and 249,228.60 is: 373,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,165.20 : 379,747.80 = 249,228.60 : x
  2. Step 2: Convert to fraction form
    253,165.20/379,747.80 = 249,228.60/x
  3. Step 3: Cross multiply
    253,165.20x = 379,747.80 × 249,228.60
  4. Step 4: Simplify right side
    253,165.20x = 94,644,012,547.08
  5. Step 5: Solve for x
    x = 94,644,012,547.08/253,165.20
  6. Step 6: Final answer
    x = 373,842.90

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1.5x scale

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.