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Finding the Fourth Proportional to 324,363.33, 447,832.01 and 290,312.76

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Solution

The fourth proportional to 324,363.33, 447,832.01 and 290,312.76 is: 400,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,363.33 : 447,832.01 = 290,312.76 : x
  2. Step 2: Convert to fraction form
    324,363.33/447,832.01 = 290,312.76/x
  3. Step 3: Cross multiply
    324,363.33x = 447,832.01 × 290,312.76
  4. Step 4: Simplify right side
    324,363.33x = 130,011,345,387.88
  5. Step 5: Solve for x
    x = 130,011,345,387.88/324,363.33
  6. Step 6: Final answer
    x = 400,820.11

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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.