Home / 281,746.82-388,811.73-152,685.57

Finding the Fourth Proportional to 281,746.82, 388,811.73 and 152,685.57

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Solution

The fourth proportional to 281,746.82, 388,811.73 and 152,685.57 is: 210,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,746.82 : 388,811.73 = 152,685.57 : x
  2. Step 2: Convert to fraction form
    281,746.82/388,811.73 = 152,685.57/x
  3. Step 3: Cross multiply
    281,746.82x = 388,811.73 × 152,685.57
  4. Step 4: Simplify right side
    281,746.82x = 59,365,940,617.74
  5. Step 5: Solve for x
    x = 59,365,940,617.74/281,746.82
  6. Step 6: Final answer
    x = 210,706.69

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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.