Home / 546,948.20-819,110.10-266,137.40

Finding the Fourth Proportional to 546,948.20, 819,110.10 and 266,137.40

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Solution

The fourth proportional to 546,948.20, 819,110.10 and 266,137.40 is: 398,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,948.20 : 819,110.10 = 266,137.40 : x
  2. Step 2: Convert to fraction form
    546,948.20/819,110.10 = 266,137.40/x
  3. Step 3: Cross multiply
    546,948.20x = 819,110.10 × 266,137.40
  4. Step 4: Simplify right side
    546,948.20x = 217,995,832,327.74
  5. Step 5: Solve for x
    x = 217,995,832,327.74/546,948.20
  6. Step 6: Final answer
    x = 398,567.60

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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.