Home / 551,291.20-826,742.40-251,915.20

Finding the Fourth Proportional to 551,291.20, 826,742.40 and 251,915.20

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Solution

The fourth proportional to 551,291.20, 826,742.40 and 251,915.20 is: 377,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,291.20 : 826,742.40 = 251,915.20 : x
  2. Step 2: Convert to fraction form
    551,291.20/826,742.40 = 251,915.20/x
  3. Step 3: Cross multiply
    551,291.20x = 826,742.40 × 251,915.20
  4. Step 4: Simplify right side
    551,291.20x = 208,268,977,044.48
  5. Step 5: Solve for x
    x = 208,268,977,044.48/551,291.20
  6. Step 6: Final answer
    x = 377,783.97

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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.