Home / 397,772.64-596,113.56-210,409.92

Finding the Fourth Proportional to 397,772.64, 596,113.56 and 210,409.92

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Solution

The fourth proportional to 397,772.64, 596,113.56 and 210,409.92 is: 315,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,772.64 : 596,113.56 = 210,409.92 : x
  2. Step 2: Convert to fraction form
    397,772.64/596,113.56 = 210,409.92/x
  3. Step 3: Cross multiply
    397,772.64x = 596,113.56 × 210,409.92
  4. Step 4: Simplify right side
    397,772.64x = 125,428,206,470.52
  5. Step 5: Solve for x
    x = 125,428,206,470.52/397,772.64
  6. Step 6: Final answer
    x = 315,326.38

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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.