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Finding the Fourth Proportional to 344,256.30, 516,384.45 and 265,524.30

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Solution

The fourth proportional to 344,256.30, 516,384.45 and 265,524.30 is: 398,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,256.30 : 516,384.45 = 265,524.30 : x
  2. Step 2: Convert to fraction form
    344,256.30/516,384.45 = 265,524.30/x
  3. Step 3: Cross multiply
    344,256.30x = 516,384.45 × 265,524.30
  4. Step 4: Simplify right side
    344,256.30x = 137,112,619,617.14
  5. Step 5: Solve for x
    x = 137,112,619,617.14/344,256.30
  6. Step 6: Final answer
    x = 398,286.45

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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.