Home / 245,360.13-338,598.40-137,929.22

Finding the Fourth Proportional to 245,360.13, 338,598.40 and 137,929.22

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Solution

The fourth proportional to 245,360.13, 338,598.40 and 137,929.22 is: 190,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,360.13 : 338,598.40 = 137,929.22 : x
  2. Step 2: Convert to fraction form
    245,360.13/338,598.40 = 137,929.22/x
  3. Step 3: Cross multiply
    245,360.13x = 338,598.40 × 137,929.22
  4. Step 4: Simplify right side
    245,360.13x = 46,702,612,860.43
  5. Step 5: Solve for x
    x = 46,702,612,860.43/245,360.13
  6. Step 6: Final answer
    x = 190,343.12

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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.