Home / 290,446.06-435,839.61-121,953.43

Finding the Fourth Proportional to 290,446.06, 435,839.61 and 121,953.43

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Solution

The fourth proportional to 290,446.06, 435,839.61 and 121,953.43 is: 183,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,446.06 : 435,839.61 = 121,953.43 : x
  2. Step 2: Convert to fraction form
    290,446.06/435,839.61 = 121,953.43/x
  3. Step 3: Cross multiply
    290,446.06x = 435,839.61 × 121,953.43
  4. Step 4: Simplify right side
    290,446.06x = 53,152,136,028.49
  5. Step 5: Solve for x
    x = 53,152,136,028.49/290,446.06
  6. Step 6: Final answer
    x = 183,001.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.