Home / 378,744.76-522,931.98-235,569.16

Finding the Fourth Proportional to 378,744.76, 522,931.98 and 235,569.16

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Solution

The fourth proportional to 378,744.76, 522,931.98 and 235,569.16 is: 325,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,744.76 : 522,931.98 = 235,569.16 : x
  2. Step 2: Convert to fraction form
    378,744.76/522,931.98 = 235,569.16/x
  3. Step 3: Cross multiply
    378,744.76x = 522,931.98 × 235,569.16
  4. Step 4: Simplify right side
    378,744.76x = 123,186,647,265.74
  5. Step 5: Solve for x
    x = 123,186,647,265.74/378,744.76
  6. Step 6: Final answer
    x = 325,249.77

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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.