Home / 259,528.96-389,738.16-160,276.48

Finding the Fourth Proportional to 259,528.96, 389,738.16 and 160,276.48

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Solution

The fourth proportional to 259,528.96, 389,738.16 and 160,276.48 is: 240,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,528.96 : 389,738.16 = 160,276.48 : x
  2. Step 2: Convert to fraction form
    259,528.96/389,738.16 = 160,276.48/x
  3. Step 3: Cross multiply
    259,528.96x = 389,738.16 × 160,276.48
  4. Step 4: Simplify right side
    259,528.96x = 62,465,860,406.48
  5. Step 5: Solve for x
    x = 62,465,860,406.48/259,528.96
  6. Step 6: Final answer
    x = 240,689.36

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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.