Home / 310,867.47-429,012.86-183,540.33

Finding the Fourth Proportional to 310,867.47, 429,012.86 and 183,540.33

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Solution

The fourth proportional to 310,867.47, 429,012.86 and 183,540.33 is: 253,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,867.47 : 429,012.86 = 183,540.33 : x
  2. Step 2: Convert to fraction form
    310,867.47/429,012.86 = 183,540.33/x
  3. Step 3: Cross multiply
    310,867.47x = 429,012.86 × 183,540.33
  4. Step 4: Simplify right side
    310,867.47x = 78,741,160,980.94
  5. Step 5: Solve for x
    x = 78,741,160,980.94/310,867.47
  6. Step 6: Final answer
    x = 253,294.95

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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.