Home / 318,352.23-439,316.82-175,112.24

Finding the Fourth Proportional to 318,352.23, 439,316.82 and 175,112.24

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Solution

The fourth proportional to 318,352.23, 439,316.82 and 175,112.24 is: 241,649.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,352.23 : 439,316.82 = 175,112.24 : x
  2. Step 2: Convert to fraction form
    318,352.23/439,316.82 = 175,112.24/x
  3. Step 3: Cross multiply
    318,352.23x = 439,316.82 × 175,112.24
  4. Step 4: Simplify right side
    318,352.23x = 76,929,750,223.29
  5. Step 5: Solve for x
    x = 76,929,750,223.29/318,352.23
  6. Step 6: Final answer
    x = 241,649.79

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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.