Home / 268,424.30-370,426.20-153,704.72

Finding the Fourth Proportional to 268,424.30, 370,426.20 and 153,704.72

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Solution

The fourth proportional to 268,424.30, 370,426.20 and 153,704.72 is: 212,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,424.30 : 370,426.20 = 153,704.72 : x
  2. Step 2: Convert to fraction form
    268,424.30/370,426.20 = 153,704.72/x
  3. Step 3: Cross multiply
    268,424.30x = 370,426.20 × 153,704.72
  4. Step 4: Simplify right side
    268,424.30x = 56,936,255,351.66
  5. Step 5: Solve for x
    x = 56,936,255,351.66/268,424.30
  6. Step 6: Final answer
    x = 212,112.89

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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.