Home / 268,135.46-370,052.63-153,391.31

Finding the Fourth Proportional to 268,135.46, 370,052.63 and 153,391.31

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Solution

The fourth proportional to 268,135.46, 370,052.63 and 153,391.31 is: 211,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,135.46 : 370,052.63 = 153,391.31 : x
  2. Step 2: Convert to fraction form
    268,135.46/370,052.63 = 153,391.31/x
  3. Step 3: Cross multiply
    268,135.46x = 370,052.63 × 153,391.31
  4. Step 4: Simplify right side
    268,135.46x = 56,762,857,842.82
  5. Step 5: Solve for x
    x = 56,762,857,842.82/268,135.46
  6. Step 6: Final answer
    x = 211,694.71

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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.