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Finding the Fourth Proportional to 471,340.02, 707,120.74 and 155,796.92

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Solution

The fourth proportional to 471,340.02, 707,120.74 and 155,796.92 is: 233,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,340.02 : 707,120.74 = 155,796.92 : x
  2. Step 2: Convert to fraction form
    471,340.02/707,120.74 = 155,796.92/x
  3. Step 3: Cross multiply
    471,340.02x = 707,120.74 × 155,796.92
  4. Step 4: Simplify right side
    471,340.02x = 110,167,233,360.12
  5. Step 5: Solve for x
    x = 110,167,233,360.12/471,340.02
  6. Step 6: Final answer
    x = 233,731.97

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1.5x scale

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.