Home / 284,933.60-427,438.80-98,002.40

Finding the Fourth Proportional to 284,933.60, 427,438.80 and 98,002.40

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Solution

The fourth proportional to 284,933.60, 427,438.80 and 98,002.40 is: 147,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,933.60 : 427,438.80 = 98,002.40 : x
  2. Step 2: Convert to fraction form
    284,933.60/427,438.80 = 98,002.40/x
  3. Step 3: Cross multiply
    284,933.60x = 427,438.80 × 98,002.40
  4. Step 4: Simplify right side
    284,933.60x = 41,890,028,253.12
  5. Step 5: Solve for x
    x = 41,890,028,253.12/284,933.60
  6. Step 6: Final answer
    x = 147,016.81

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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.