Home / 209,979.30-314,531.55-174,987.30

Finding the Fourth Proportional to 209,979.30, 314,531.55 and 174,987.30

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Solution

The fourth proportional to 209,979.30, 314,531.55 and 174,987.30 is: 262,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,979.30 : 314,531.55 = 174,987.30 : x
  2. Step 2: Convert to fraction form
    209,979.30/314,531.55 = 174,987.30/x
  3. Step 3: Cross multiply
    209,979.30x = 314,531.55 × 174,987.30
  4. Step 4: Simplify right side
    209,979.30x = 55,039,026,699.32
  5. Step 5: Solve for x
    x = 55,039,026,699.32/209,979.30
  6. Step 6: Final answer
    x = 262,116.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.