Home / 357,044.10-492,720.81-204,085.56

Finding the Fourth Proportional to 357,044.10, 492,720.81 and 204,085.56

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Solution

The fourth proportional to 357,044.10, 492,720.81 and 204,085.56 is: 281,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,044.10 : 492,720.81 = 204,085.56 : x
  2. Step 2: Convert to fraction form
    357,044.10/492,720.81 = 204,085.56/x
  3. Step 3: Cross multiply
    357,044.10x = 492,720.81 × 204,085.56
  4. Step 4: Simplify right side
    357,044.10x = 100,557,202,432.50
  5. Step 5: Solve for x
    x = 100,557,202,432.50/357,044.10
  6. Step 6: Final answer
    x = 281,638.05

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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.