Home / 266,486.06-399,886.50-98,124.60

Finding the Fourth Proportional to 266,486.06, 399,886.50 and 98,124.60

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Solution

The fourth proportional to 266,486.06, 399,886.50 and 98,124.60 is: 147,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,486.06 : 399,886.50 = 98,124.60 : x
  2. Step 2: Convert to fraction form
    266,486.06/399,886.50 = 98,124.60/x
  3. Step 3: Cross multiply
    266,486.06x = 399,886.50 × 98,124.60
  4. Step 4: Simplify right side
    266,486.06x = 39,238,702,857.90
  5. Step 5: Solve for x
    x = 39,238,702,857.90/266,486.06
  6. Step 6: Final answer
    x = 147,244.86

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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.