Home / 281,829.79-388,923.67-152,767.77

Finding the Fourth Proportional to 281,829.79, 388,923.67 and 152,767.77

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Solution

The fourth proportional to 281,829.79, 388,923.67 and 152,767.77 is: 210,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,829.79 : 388,923.67 = 152,767.77 : x
  2. Step 2: Convert to fraction form
    281,829.79/388,923.67 = 152,767.77/x
  3. Step 3: Cross multiply
    281,829.79x = 388,923.67 × 152,767.77
  4. Step 4: Simplify right side
    281,829.79x = 59,414,999,057.66
  5. Step 5: Solve for x
    x = 59,414,999,057.66/281,829.79
  6. Step 6: Final answer
    x = 210,818.73

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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.