Home / 445,531.74-668,142-179,223.18

Finding the Fourth Proportional to 445,531.74, 668,142 and 179,223.18

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Solution

The fourth proportional to 445,531.74, 668,142 and 179,223.18 is: 268,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,531.74 : 668,142 = 179,223.18 : x
  2. Step 2: Convert to fraction form
    445,531.74/668,142 = 179,223.18/x
  3. Step 3: Cross multiply
    445,531.74x = 668,142 × 179,223.18
  4. Step 4: Simplify right side
    445,531.74x = 119,746,533,931.56
  5. Step 5: Solve for x
    x = 119,746,533,931.56/445,531.74
  6. Step 6: Final answer
    x = 268,772.17

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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.