Home / 281,055.10-421,777.05-202,225.90

Finding the Fourth Proportional to 281,055.10, 421,777.05 and 202,225.90

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Solution

The fourth proportional to 281,055.10, 421,777.05 and 202,225.90 is: 303,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,055.10 : 421,777.05 = 202,225.90 : x
  2. Step 2: Convert to fraction form
    281,055.10/421,777.05 = 202,225.90/x
  3. Step 3: Cross multiply
    281,055.10x = 421,777.05 × 202,225.90
  4. Step 4: Simplify right side
    281,055.10x = 85,294,243,535.60
  5. Step 5: Solve for x
    x = 85,294,243,535.60/281,055.10
  6. Step 6: Final answer
    x = 303,478.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.