Home / 267,830.09-401,464.80-90,275.73

Finding the Fourth Proportional to 267,830.09, 401,464.80 and 90,275.73

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Solution

The fourth proportional to 267,830.09, 401,464.80 and 90,275.73 is: 135,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,830.09 : 401,464.80 = 90,275.73 : x
  2. Step 2: Convert to fraction form
    267,830.09/401,464.80 = 90,275.73/x
  3. Step 3: Cross multiply
    267,830.09x = 401,464.80 × 90,275.73
  4. Step 4: Simplify right side
    267,830.09x = 36,242,527,889.30
  5. Step 5: Solve for x
    x = 36,242,527,889.30/267,830.09
  6. Step 6: Final answer
    x = 135,319.10

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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.