Home / 346,369.20-478,319.61-327,499.16

Finding the Fourth Proportional to 346,369.20, 478,319.61 and 327,499.16

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Solution

The fourth proportional to 346,369.20, 478,319.61 and 327,499.16 is: 452,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,369.20 : 478,319.61 = 327,499.16 : x
  2. Step 2: Convert to fraction form
    346,369.20/478,319.61 = 327,499.16/x
  3. Step 3: Cross multiply
    346,369.20x = 478,319.61 × 327,499.16
  4. Step 4: Simplify right side
    346,369.20x = 156,649,268,094.93
  5. Step 5: Solve for x
    x = 156,649,268,094.93/346,369.20
  6. Step 6: Final answer
    x = 452,260.96

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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.