Home / 377,618.06-521,276.20-270,001.10

Finding the Fourth Proportional to 377,618.06, 521,276.20 and 270,001.10

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Solution

The fourth proportional to 377,618.06, 521,276.20 and 270,001.10 is: 372,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,618.06 : 521,276.20 = 270,001.10 : x
  2. Step 2: Convert to fraction form
    377,618.06/521,276.20 = 270,001.10/x
  3. Step 3: Cross multiply
    377,618.06x = 521,276.20 × 270,001.10
  4. Step 4: Simplify right side
    377,618.06x = 140,745,147,403.82
  5. Step 5: Solve for x
    x = 140,745,147,403.82/377,618.06
  6. Step 6: Final answer
    x = 372,718.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.