Home / 240,817.23-332,238.56-155,981.07

Finding the Fourth Proportional to 240,817.23, 332,238.56 and 155,981.07

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Solution

The fourth proportional to 240,817.23, 332,238.56 and 155,981.07 is: 215,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,817.23 : 332,238.56 = 155,981.07 : x
  2. Step 2: Convert to fraction form
    240,817.23/332,238.56 = 155,981.07/x
  3. Step 3: Cross multiply
    240,817.23x = 332,238.56 × 155,981.07
  4. Step 4: Simplify right side
    240,817.23x = 51,822,925,304.15
  5. Step 5: Solve for x
    x = 51,822,925,304.15/240,817.23
  6. Step 6: Final answer
    x = 215,196.09

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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.