Home / 319,500.10-479,199.27-106,250.26

Finding the Fourth Proportional to 319,500.10, 479,199.27 and 106,250.26

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Solution

The fourth proportional to 319,500.10, 479,199.27 and 106,250.26 is: 159,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,500.10 : 479,199.27 = 106,250.26 : x
  2. Step 2: Convert to fraction form
    319,500.10/479,199.27 = 106,250.26/x
  3. Step 3: Cross multiply
    319,500.10x = 479,199.27 × 106,250.26
  4. Step 4: Simplify right side
    319,500.10x = 50,915,047,029.31
  5. Step 5: Solve for x
    x = 50,915,047,029.31/319,500.10
  6. Step 6: Final answer
    x = 159,358.47

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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.