Home / 266,948.16-400,000.72-216,784.16

Finding the Fourth Proportional to 266,948.16, 400,000.72 and 216,784.16

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Solution

The fourth proportional to 266,948.16, 400,000.72 and 216,784.16 is: 324,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,948.16 : 400,000.72 = 216,784.16 : x
  2. Step 2: Convert to fraction form
    266,948.16/400,000.72 = 216,784.16/x
  3. Step 3: Cross multiply
    266,948.16x = 400,000.72 × 216,784.16
  4. Step 4: Simplify right side
    266,948.16x = 86,713,820,084.60
  5. Step 5: Solve for x
    x = 86,713,820,084.60/266,948.16
  6. Step 6: Final answer
    x = 324,833.93

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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.