Home / 245,202.12-338,600.26-154,718.64

Finding the Fourth Proportional to 245,202.12, 338,600.26 and 154,718.64

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Solution

The fourth proportional to 245,202.12, 338,600.26 and 154,718.64 is: 213,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,202.12 : 338,600.26 = 154,718.64 : x
  2. Step 2: Convert to fraction form
    245,202.12/338,600.26 = 154,718.64/x
  3. Step 3: Cross multiply
    245,202.12x = 338,600.26 × 154,718.64
  4. Step 4: Simplify right side
    245,202.12x = 52,387,771,730.85
  5. Step 5: Solve for x
    x = 52,387,771,730.85/245,202.12
  6. Step 6: Final answer
    x = 213,651.38

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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.