Home / 288,557.40-432,836.10-267,562.20

Finding the Fourth Proportional to 288,557.40, 432,836.10 and 267,562.20

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Solution

The fourth proportional to 288,557.40, 432,836.10 and 267,562.20 is: 401,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,557.40 : 432,836.10 = 267,562.20 : x
  2. Step 2: Convert to fraction form
    288,557.40/432,836.10 = 267,562.20/x
  3. Step 3: Cross multiply
    288,557.40x = 432,836.10 × 267,562.20
  4. Step 4: Simplify right side
    288,557.40x = 115,810,579,155.42
  5. Step 5: Solve for x
    x = 115,810,579,155.42/288,557.40
  6. Step 6: Final answer
    x = 401,343.30

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1.5x scale

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.