Home / 319,463.33-440,867.70-174,271.61

Finding the Fourth Proportional to 319,463.33, 440,867.70 and 174,271.61

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Solution

The fourth proportional to 319,463.33, 440,867.70 and 174,271.61 is: 240,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,463.33 : 440,867.70 = 174,271.61 : x
  2. Step 2: Convert to fraction form
    319,463.33/440,867.70 = 174,271.61/x
  3. Step 3: Cross multiply
    319,463.33x = 440,867.70 × 174,271.61
  4. Step 4: Simplify right side
    319,463.33x = 76,830,721,671.66
  5. Step 5: Solve for x
    x = 76,830,721,671.66/319,463.33
  6. Step 6: Final answer
    x = 240,499.35

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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.