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Finding the Fourth Proportional to 376,475.04, 519,536.48 and 206,720.10

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Solution

The fourth proportional to 376,475.04, 519,536.48 and 206,720.10 is: 285,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,475.04 : 519,536.48 = 206,720.10 : x
  2. Step 2: Convert to fraction form
    376,475.04/519,536.48 = 206,720.10/x
  3. Step 3: Cross multiply
    376,475.04x = 519,536.48 × 206,720.10
  4. Step 4: Simplify right side
    376,475.04x = 107,398,632,065.65
  5. Step 5: Solve for x
    x = 107,398,632,065.65/376,475.04
  6. Step 6: Final answer
    x = 285,274.24

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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.