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Finding the Fourth Proportional to 281,277.70, 388,160.48 and 152,213.41

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Solution

The fourth proportional to 281,277.70, 388,160.48 and 152,213.41 is: 210,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,277.70 : 388,160.48 = 152,213.41 : x
  2. Step 2: Convert to fraction form
    281,277.70/388,160.48 = 152,213.41/x
  3. Step 3: Cross multiply
    281,277.70x = 388,160.48 × 152,213.41
  4. Step 4: Simplify right side
    281,277.70x = 59,083,230,297.57
  5. Step 5: Solve for x
    x = 59,083,230,297.57/281,277.70
  6. Step 6: Final answer
    x = 210,053.02

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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.