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Finding the Fourth Proportional to 344,680.32, 516,807.36 and 134,071.68

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Solution

The fourth proportional to 344,680.32, 516,807.36 and 134,071.68 is: 201,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,680.32 : 516,807.36 = 134,071.68 : x
  2. Step 2: Convert to fraction form
    344,680.32/516,807.36 = 134,071.68/x
  3. Step 3: Cross multiply
    344,680.32x = 516,807.36 × 134,071.68
  4. Step 4: Simplify right side
    344,680.32x = 69,289,230,991.56
  5. Step 5: Solve for x
    x = 69,289,230,991.56/344,680.32
  6. Step 6: Final answer
    x = 201,024.62

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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.