Home / 268,002.10-401,657.55-162,709.30

Finding the Fourth Proportional to 268,002.10, 401,657.55 and 162,709.30

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Solution

The fourth proportional to 268,002.10, 401,657.55 and 162,709.30 is: 243,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,002.10 : 401,657.55 = 162,709.30 : x
  2. Step 2: Convert to fraction form
    268,002.10/401,657.55 = 162,709.30/x
  3. Step 3: Cross multiply
    268,002.10x = 401,657.55 × 162,709.30
  4. Step 4: Simplify right side
    268,002.10x = 65,353,418,800.22
  5. Step 5: Solve for x
    x = 65,353,418,800.22/268,002.10
  6. Step 6: Final answer
    x = 243,854.13

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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.