Home / 546,135.68-819,364.82-280,082.58

Finding the Fourth Proportional to 546,135.68, 819,364.82 and 280,082.58

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Solution

The fourth proportional to 546,135.68, 819,364.82 and 280,082.58 is: 420,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,135.68 : 819,364.82 = 280,082.58 : x
  2. Step 2: Convert to fraction form
    546,135.68/819,364.82 = 280,082.58/x
  3. Step 3: Cross multiply
    546,135.68x = 819,364.82 × 280,082.58
  4. Step 4: Simplify right side
    546,135.68x = 229,489,812,746.84
  5. Step 5: Solve for x
    x = 229,489,812,746.84/546,135.68
  6. Step 6: Final answer
    x = 420,206.59

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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.