Home / 424,139.25-585,313.38-242,853.96

Finding the Fourth Proportional to 424,139.25, 585,313.38 and 242,853.96

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Solution

The fourth proportional to 424,139.25, 585,313.38 and 242,853.96 is: 335,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,139.25 : 585,313.38 = 242,853.96 : x
  2. Step 2: Convert to fraction form
    424,139.25/585,313.38 = 242,853.96/x
  3. Step 3: Cross multiply
    424,139.25x = 585,313.38 × 242,853.96
  4. Step 4: Simplify right side
    424,139.25x = 142,145,672,173.99
  5. Step 5: Solve for x
    x = 142,145,672,173.99/424,139.25
  6. Step 6: Final answer
    x = 335,139.16

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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.