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Finding the Fourth Proportional to 266,475.06, 399,870 and 98,113.59

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Solution

The fourth proportional to 266,475.06, 399,870 and 98,113.59 is: 147,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,475.06 : 399,870 = 98,113.59 : x
  2. Step 2: Convert to fraction form
    266,475.06/399,870 = 98,113.59/x
  3. Step 3: Cross multiply
    266,475.06x = 399,870 × 98,113.59
  4. Step 4: Simplify right side
    266,475.06x = 39,232,681,233.30
  5. Step 5: Solve for x
    x = 39,232,681,233.30/266,475.06
  6. Step 6: Final answer
    x = 147,228.34

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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.