Home / 352,663.20-487,007.22-245,526.12

Finding the Fourth Proportional to 352,663.20, 487,007.22 and 245,526.12

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Solution

The fourth proportional to 352,663.20, 487,007.22 and 245,526.12 is: 339,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,663.20 : 487,007.22 = 245,526.12 : x
  2. Step 2: Convert to fraction form
    352,663.20/487,007.22 = 245,526.12/x
  3. Step 3: Cross multiply
    352,663.20x = 487,007.22 × 245,526.12
  4. Step 4: Simplify right side
    352,663.20x = 119,572,993,138.59
  5. Step 5: Solve for x
    x = 119,572,993,138.59/352,663.20
  6. Step 6: Final answer
    x = 339,057.19

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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.