Home / 266,056.60-398,547.30-165,909.40

Finding the Fourth Proportional to 266,056.60, 398,547.30 and 165,909.40

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Solution

The fourth proportional to 266,056.60, 398,547.30 and 165,909.40 is: 248,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,056.60 : 398,547.30 = 165,909.40 : x
  2. Step 2: Convert to fraction form
    266,056.60/398,547.30 = 165,909.40/x
  3. Step 3: Cross multiply
    266,056.60x = 398,547.30 × 165,909.40
  4. Step 4: Simplify right side
    266,056.60x = 66,122,743,414.62
  5. Step 5: Solve for x
    x = 66,122,743,414.62/266,056.60
  6. Step 6: Final answer
    x = 248,528.86

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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.