Home / 272,318.10-409,461.30-266,413.20

Finding the Fourth Proportional to 272,318.10, 409,461.30 and 266,413.20

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Solution

The fourth proportional to 272,318.10, 409,461.30 and 266,413.20 is: 400,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,318.10 : 409,461.30 = 266,413.20 : x
  2. Step 2: Convert to fraction form
    272,318.10/409,461.30 = 266,413.20/x
  3. Step 3: Cross multiply
    272,318.10x = 409,461.30 × 266,413.20
  4. Step 4: Simplify right side
    272,318.10x = 109,085,895,209.16
  5. Step 5: Solve for x
    x = 109,085,895,209.16/272,318.10
  6. Step 6: Final answer
    x = 400,582.61

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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.