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Finding the Fourth Proportional to 351,027.60, 526,541.40 and 262,454.10

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Solution

The fourth proportional to 351,027.60, 526,541.40 and 262,454.10 is: 393,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,027.60 : 526,541.40 = 262,454.10 : x
  2. Step 2: Convert to fraction form
    351,027.60/526,541.40 = 262,454.10/x
  3. Step 3: Cross multiply
    351,027.60x = 526,541.40 × 262,454.10
  4. Step 4: Simplify right side
    351,027.60x = 138,192,949,249.74
  5. Step 5: Solve for x
    x = 138,192,949,249.74/351,027.60
  6. Step 6: Final answer
    x = 393,681.15

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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.