Home / 551,166.20-826,749.90-218,742.20

Finding the Fourth Proportional to 551,166.20, 826,749.90 and 218,742.20

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Solution

The fourth proportional to 551,166.20, 826,749.90 and 218,742.20 is: 328,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,166.20 : 826,749.90 = 218,742.20 : x
  2. Step 2: Convert to fraction form
    551,166.20/826,749.90 = 218,742.20/x
  3. Step 3: Cross multiply
    551,166.20x = 826,749.90 × 218,742.20
  4. Step 4: Simplify right side
    551,166.20x = 180,845,091,975.78
  5. Step 5: Solve for x
    x = 180,845,091,975.78/551,166.20
  6. Step 6: Final answer
    x = 328,113.54

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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.