Home / 245,490.24-338,773.32-138,060.24

Finding the Fourth Proportional to 245,490.24, 338,773.32 and 138,060.24

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Solution

The fourth proportional to 245,490.24, 338,773.32 and 138,060.24 is: 190,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,490.24 : 338,773.32 = 138,060.24 : x
  2. Step 2: Convert to fraction form
    245,490.24/338,773.32 = 138,060.24/x
  3. Step 3: Cross multiply
    245,490.24x = 338,773.32 × 138,060.24
  4. Step 4: Simplify right side
    245,490.24x = 46,771,125,864.80
  5. Step 5: Solve for x
    x = 46,771,125,864.80/245,490.24
  6. Step 6: Final answer
    x = 190,521.33

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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.