Home / 546,848.20-819,689.10-209,758.60

Finding the Fourth Proportional to 546,848.20, 819,689.10 and 209,758.60

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Solution

The fourth proportional to 546,848.20, 819,689.10 and 209,758.60 is: 314,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,848.20 : 819,689.10 = 209,758.60 : x
  2. Step 2: Convert to fraction form
    546,848.20/819,689.10 = 209,758.60/x
  3. Step 3: Cross multiply
    546,848.20x = 819,689.10 × 209,758.60
  4. Step 4: Simplify right side
    546,848.20x = 171,936,838,051.26
  5. Step 5: Solve for x
    x = 171,936,838,051.26/546,848.20
  6. Step 6: Final answer
    x = 314,414.20

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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.