Home / 447,162.32-617,066.12-243,213.38

Finding the Fourth Proportional to 447,162.32, 617,066.12 and 243,213.38

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Solution

The fourth proportional to 447,162.32, 617,066.12 and 243,213.38 is: 335,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,162.32 : 617,066.12 = 243,213.38 : x
  2. Step 2: Convert to fraction form
    447,162.32/617,066.12 = 243,213.38/x
  3. Step 3: Cross multiply
    447,162.32x = 617,066.12 × 243,213.38
  4. Step 4: Simplify right side
    447,162.32x = 150,078,736,728.69
  5. Step 5: Solve for x
    x = 150,078,736,728.69/447,162.32
  6. Step 6: Final answer
    x = 335,624.74

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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.