Home / 426,913.90-640,370.85-160,734.13

Finding the Fourth Proportional to 426,913.90, 640,370.85 and 160,734.13

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Solution

The fourth proportional to 426,913.90, 640,370.85 and 160,734.13 is: 241,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,913.90 : 640,370.85 = 160,734.13 : x
  2. Step 2: Convert to fraction form
    426,913.90/640,370.85 = 160,734.13/x
  3. Step 3: Cross multiply
    426,913.90x = 640,370.85 × 160,734.13
  4. Step 4: Simplify right side
    426,913.90x = 102,929,451,452.11
  5. Step 5: Solve for x
    x = 102,929,451,452.11/426,913.90
  6. Step 6: Final answer
    x = 241,101.20

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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.