Home / 281,504.06-388,476.65-152,442.59

Finding the Fourth Proportional to 281,504.06, 388,476.65 and 152,442.59

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Solution

The fourth proportional to 281,504.06, 388,476.65 and 152,442.59 is: 210,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,504.06 : 388,476.65 = 152,442.59 : x
  2. Step 2: Convert to fraction form
    281,504.06/388,476.65 = 152,442.59/x
  3. Step 3: Cross multiply
    281,504.06x = 388,476.65 × 152,442.59
  4. Step 4: Simplify right side
    281,504.06x = 59,220,383,975.93
  5. Step 5: Solve for x
    x = 59,220,383,975.93/281,504.06
  6. Step 6: Final answer
    x = 210,371.34

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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.