Home / 240,617.17-361,580.04-128,376.69

Finding the Fourth Proportional to 240,617.17, 361,580.04 and 128,376.69

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Solution

The fourth proportional to 240,617.17, 361,580.04 and 128,376.69 is: 192,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,617.17 : 361,580.04 = 128,376.69 : x
  2. Step 2: Convert to fraction form
    240,617.17/361,580.04 = 128,376.69/x
  3. Step 3: Cross multiply
    240,617.17x = 361,580.04 × 128,376.69
  4. Step 4: Simplify right side
    240,617.17x = 46,418,448,705.27
  5. Step 5: Solve for x
    x = 46,418,448,705.27/240,617.17
  6. Step 6: Final answer
    x = 192,914.12

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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.