Home / 448,499.16-619,078.82-267,267.92

Finding the Fourth Proportional to 448,499.16, 619,078.82 and 267,267.92

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Solution

The fourth proportional to 448,499.16, 619,078.82 and 267,267.92 is: 368,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,499.16 : 619,078.82 = 267,267.92 : x
  2. Step 2: Convert to fraction form
    448,499.16/619,078.82 = 267,267.92/x
  3. Step 3: Cross multiply
    448,499.16x = 619,078.82 × 267,267.92
  4. Step 4: Simplify right side
    448,499.16x = 165,459,908,537.45
  5. Step 5: Solve for x
    x = 165,459,908,537.45/448,499.16
  6. Step 6: Final answer
    x = 368,919.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.