Home / 245,376.06-338,877.11-218,629.23

Finding the Fourth Proportional to 245,376.06, 338,877.11 and 218,629.23

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Solution

The fourth proportional to 245,376.06, 338,877.11 and 218,629.23 is: 301,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,376.06 : 338,877.11 = 218,629.23 : x
  2. Step 2: Convert to fraction form
    245,376.06/338,877.11 = 218,629.23/x
  3. Step 3: Cross multiply
    245,376.06x = 338,877.11 × 218,629.23
  4. Step 4: Simplify right side
    245,376.06x = 74,088,441,623.93
  5. Step 5: Solve for x
    x = 74,088,441,623.93/245,376.06
  6. Step 6: Final answer
    x = 301,938.35

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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.