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Finding the Fourth Proportional to 270,345.68, 373,061.96 and 149,479.72

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Solution

The fourth proportional to 270,345.68, 373,061.96 and 149,479.72 is: 206,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,345.68 : 373,061.96 = 149,479.72 : x
  2. Step 2: Convert to fraction form
    270,345.68/373,061.96 = 149,479.72/x
  3. Step 3: Cross multiply
    270,345.68x = 373,061.96 × 149,479.72
  4. Step 4: Simplify right side
    270,345.68x = 55,765,197,323.45
  5. Step 5: Solve for x
    x = 55,765,197,323.45/270,345.68
  6. Step 6: Final answer
    x = 206,273.68

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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.