Home / 314,623.06-434,186.52-171,382.80

Finding the Fourth Proportional to 314,623.06, 434,186.52 and 171,382.80

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Solution

The fourth proportional to 314,623.06, 434,186.52 and 171,382.80 is: 236,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,623.06 : 434,186.52 = 171,382.80 : x
  2. Step 2: Convert to fraction form
    314,623.06/434,186.52 = 171,382.80/x
  3. Step 3: Cross multiply
    314,623.06x = 434,186.52 × 171,382.80
  4. Step 4: Simplify right side
    314,623.06x = 74,412,101,519.86
  5. Step 5: Solve for x
    x = 74,412,101,519.86/314,623.06
  6. Step 6: Final answer
    x = 236,511.91

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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.