Home / 319,212.68-440,510.60-175,972.72

Finding the Fourth Proportional to 319,212.68, 440,510.60 and 175,972.72

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Solution

The fourth proportional to 319,212.68, 440,510.60 and 175,972.72 is: 242,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,212.68 : 440,510.60 = 175,972.72 : x
  2. Step 2: Convert to fraction form
    319,212.68/440,510.60 = 175,972.72/x
  3. Step 3: Cross multiply
    319,212.68x = 440,510.60 × 175,972.72
  4. Step 4: Simplify right side
    319,212.68x = 77,517,848,470.83
  5. Step 5: Solve for x
    x = 77,517,848,470.83/319,212.68
  6. Step 6: Final answer
    x = 242,840.76

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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.