Home / 253,511.36-380,266-63,972.16

Finding the Fourth Proportional to 253,511.36, 380,266 and 63,972.16

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Solution

The fourth proportional to 253,511.36, 380,266 and 63,972.16 is: 95,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,511.36 : 380,266 = 63,972.16 : x
  2. Step 2: Convert to fraction form
    253,511.36/380,266 = 63,972.16/x
  3. Step 3: Cross multiply
    253,511.36x = 380,266 × 63,972.16
  4. Step 4: Simplify right side
    253,511.36x = 24,326,437,394.56
  5. Step 5: Solve for x
    x = 24,326,437,394.56/253,511.36
  6. Step 6: Final answer
    x = 95,957.98

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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.