Home / 318,480.23-439,521.32-182,556.29

Finding the Fourth Proportional to 318,480.23, 439,521.32 and 182,556.29

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Solution

The fourth proportional to 318,480.23, 439,521.32 and 182,556.29 is: 251,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,480.23 : 439,521.32 = 182,556.29 : x
  2. Step 2: Convert to fraction form
    318,480.23/439,521.32 = 182,556.29/x
  3. Step 3: Cross multiply
    318,480.23x = 439,521.32 × 182,556.29
  4. Step 4: Simplify right side
    318,480.23x = 80,237,381,555.10
  5. Step 5: Solve for x
    x = 80,237,381,555.10/318,480.23
  6. Step 6: Final answer
    x = 251,938.34

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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.