Home / 281,397.26-388,325.27-152,332.84

Finding the Fourth Proportional to 281,397.26, 388,325.27 and 152,332.84

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Solution

The fourth proportional to 281,397.26, 388,325.27 and 152,332.84 is: 210,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,397.26 : 388,325.27 = 152,332.84 : x
  2. Step 2: Convert to fraction form
    281,397.26/388,325.27 = 152,332.84/x
  3. Step 3: Cross multiply
    281,397.26x = 388,325.27 × 152,332.84
  4. Step 4: Simplify right side
    281,397.26x = 59,154,691,222.87
  5. Step 5: Solve for x
    x = 59,154,691,222.87/281,397.26
  6. Step 6: Final answer
    x = 210,217.72

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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.