Home / 287,188.62-432,933.09-267,921.15

Finding the Fourth Proportional to 287,188.62, 432,933.09 and 267,921.15

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Solution

The fourth proportional to 287,188.62, 432,933.09 and 267,921.15 is: 403,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,188.62 : 432,933.09 = 267,921.15 : x
  2. Step 2: Convert to fraction form
    287,188.62/432,933.09 = 267,921.15/x
  3. Step 3: Cross multiply
    287,188.62x = 432,933.09 × 267,921.15
  4. Step 4: Simplify right side
    287,188.62x = 115,991,931,345.85
  5. Step 5: Solve for x
    x = 115,991,931,345.85/287,188.62
  6. Step 6: Final answer
    x = 403,887.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.