Home / 245,333.24-338,560.08-136,435.21

Finding the Fourth Proportional to 245,333.24, 338,560.08 and 136,435.21

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Solution

The fourth proportional to 245,333.24, 338,560.08 and 136,435.21 is: 188,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,333.24 : 338,560.08 = 136,435.21 : x
  2. Step 2: Convert to fraction form
    245,333.24/338,560.08 = 136,435.21/x
  3. Step 3: Cross multiply
    245,333.24x = 338,560.08 × 136,435.21
  4. Step 4: Simplify right side
    245,333.24x = 46,191,515,612.42
  5. Step 5: Solve for x
    x = 46,191,515,612.42/245,333.24
  6. Step 6: Final answer
    x = 188,280.71

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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.