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Finding the Fourth Proportional to 538,854.90, 808,205.55 and 183,885.30

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Solution

The fourth proportional to 538,854.90, 808,205.55 and 183,885.30 is: 275,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,854.90 : 808,205.55 = 183,885.30 : x
  2. Step 2: Convert to fraction form
    538,854.90/808,205.55 = 183,885.30/x
  3. Step 3: Cross multiply
    538,854.90x = 808,205.55 × 183,885.30
  4. Step 4: Simplify right side
    538,854.90x = 148,617,120,023.42
  5. Step 5: Solve for x
    x = 148,617,120,023.42/538,854.90
  6. Step 6: Final answer
    x = 275,801.74

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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.