Home / 352,713.28-487,076.40-245,576.32

Finding the Fourth Proportional to 352,713.28, 487,076.40 and 245,576.32

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Solution

The fourth proportional to 352,713.28, 487,076.40 and 245,576.32 is: 339,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,713.28 : 487,076.40 = 245,576.32 : x
  2. Step 2: Convert to fraction form
    352,713.28/487,076.40 = 245,576.32/x
  3. Step 3: Cross multiply
    352,713.28x = 487,076.40 × 245,576.32
  4. Step 4: Simplify right side
    352,713.28x = 119,614,429,870.85
  5. Step 5: Solve for x
    x = 119,614,429,870.85/352,713.28
  6. Step 6: Final answer
    x = 339,126.53

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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.