Home / 281,271.97-388,152.36-152,207.62

Finding the Fourth Proportional to 281,271.97, 388,152.36 and 152,207.62

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Solution

The fourth proportional to 281,271.97, 388,152.36 and 152,207.62 is: 210,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,271.97 : 388,152.36 = 152,207.62 : x
  2. Step 2: Convert to fraction form
    281,271.97/388,152.36 = 152,207.62/x
  3. Step 3: Cross multiply
    281,271.97x = 388,152.36 × 152,207.62
  4. Step 4: Simplify right side
    281,271.97x = 59,079,746,912.98
  5. Step 5: Solve for x
    x = 59,079,746,912.98/281,271.97
  6. Step 6: Final answer
    x = 210,044.91

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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.