Home / 281,877.04-388,987.50-154,552.33

Finding the Fourth Proportional to 281,877.04, 388,987.50 and 154,552.33

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Solution

The fourth proportional to 281,877.04, 388,987.50 and 154,552.33 is: 213,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,877.04 : 388,987.50 = 154,552.33 : x
  2. Step 2: Convert to fraction form
    281,877.04/388,987.50 = 154,552.33/x
  3. Step 3: Cross multiply
    281,877.04x = 388,987.50 × 154,552.33
  4. Step 4: Simplify right side
    281,877.04x = 60,118,924,465.88
  5. Step 5: Solve for x
    x = 60,118,924,465.88/281,877.04
  6. Step 6: Final answer
    x = 213,280.67

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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.