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Finding the Fourth Proportional to 612,127.67, 918,190.31 and 162,849.02

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Solution

The fourth proportional to 612,127.67, 918,190.31 and 162,849.02 is: 244,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,127.67 : 918,190.31 = 162,849.02 : x
  2. Step 2: Convert to fraction form
    612,127.67/918,190.31 = 162,849.02/x
  3. Step 3: Cross multiply
    612,127.67x = 918,190.31 × 162,849.02
  4. Step 4: Simplify right side
    612,127.67x = 149,526,386,751.80
  5. Step 5: Solve for x
    x = 149,526,386,751.80/612,127.67
  6. Step 6: Final answer
    x = 244,273.21

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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.