Home / 245,504.06-338,842.13-153,665.94

Finding the Fourth Proportional to 245,504.06, 338,842.13 and 153,665.94

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Solution

The fourth proportional to 245,504.06, 338,842.13 and 153,665.94 is: 212,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,504.06 : 338,842.13 = 153,665.94 : x
  2. Step 2: Convert to fraction form
    245,504.06/338,842.13 = 153,665.94/x
  3. Step 3: Cross multiply
    245,504.06x = 338,842.13 × 153,665.94
  4. Step 4: Simplify right side
    245,504.06x = 52,068,494,418.05
  5. Step 5: Solve for x
    x = 52,068,494,418.05/245,504.06
  6. Step 6: Final answer
    x = 212,088.12

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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.