Home / 318,331.34-439,297.46-175,102.28

Finding the Fourth Proportional to 318,331.34, 439,297.46 and 175,102.28

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Solution

The fourth proportional to 318,331.34, 439,297.46 and 175,102.28 is: 241,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,331.34 : 439,297.46 = 175,102.28 : x
  2. Step 2: Convert to fraction form
    318,331.34/439,297.46 = 175,102.28/x
  3. Step 3: Cross multiply
    318,331.34x = 439,297.46 × 175,102.28
  4. Step 4: Simplify right side
    318,331.34x = 76,921,986,844.21
  5. Step 5: Solve for x
    x = 76,921,986,844.21/318,331.34
  6. Step 6: Final answer
    x = 241,641.26

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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.