Home / 281,405.45-388,336.56-152,341.04

Finding the Fourth Proportional to 281,405.45, 388,336.56 and 152,341.04

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Solution

The fourth proportional to 281,405.45, 388,336.56 and 152,341.04 is: 210,229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,405.45 : 388,336.56 = 152,341.04 : x
  2. Step 2: Convert to fraction form
    281,405.45/388,336.56 = 152,341.04/x
  3. Step 3: Cross multiply
    281,405.45x = 388,336.56 × 152,341.04
  4. Step 4: Simplify right side
    281,405.45x = 59,159,595,420.42
  5. Step 5: Solve for x
    x = 59,159,595,420.42/281,405.45
  6. Step 6: Final answer
    x = 210,229.03

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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.