Home / 351,272.12-526,909.56-85,032.21

Finding the Fourth Proportional to 351,272.12, 526,909.56 and 85,032.21

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Solution

The fourth proportional to 351,272.12, 526,909.56 and 85,032.21 is: 127,548.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,272.12 : 526,909.56 = 85,032.21 : x
  2. Step 2: Convert to fraction form
    351,272.12/526,909.56 = 85,032.21/x
  3. Step 3: Cross multiply
    351,272.12x = 526,909.56 × 85,032.21
  4. Step 4: Simplify right side
    351,272.12x = 44,804,281,722.38
  5. Step 5: Solve for x
    x = 44,804,281,722.38/351,272.12
  6. Step 6: Final answer
    x = 127,548.64

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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.