Home / 316,002.02-435,976.06-179,939.53

Finding the Fourth Proportional to 316,002.02, 435,976.06 and 179,939.53

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Solution

The fourth proportional to 316,002.02, 435,976.06 and 179,939.53 is: 248,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,002.02 : 435,976.06 = 179,939.53 : x
  2. Step 2: Convert to fraction form
    316,002.02/435,976.06 = 179,939.53/x
  3. Step 3: Cross multiply
    316,002.02x = 435,976.06 × 179,939.53
  4. Step 4: Simplify right side
    316,002.02x = 78,449,325,054.76
  5. Step 5: Solve for x
    x = 78,449,325,054.76/316,002.02
  6. Step 6: Final answer
    x = 248,255.77

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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.