Home / 437,961.40-657,160.80-248,567.20

Finding the Fourth Proportional to 437,961.40, 657,160.80 and 248,567.20

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Solution

The fourth proportional to 437,961.40, 657,160.80 and 248,567.20 is: 372,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,961.40 : 657,160.80 = 248,567.20 : x
  2. Step 2: Convert to fraction form
    437,961.40/657,160.80 = 248,567.20/x
  3. Step 3: Cross multiply
    437,961.40x = 657,160.80 × 248,567.20
  4. Step 4: Simplify right side
    437,961.40x = 163,348,620,005.76
  5. Step 5: Solve for x
    x = 163,348,620,005.76/437,961.40
  6. Step 6: Final answer
    x = 372,974.92

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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.