Home / 209,284.56-288,923.04-167,999.40

Finding the Fourth Proportional to 209,284.56, 288,923.04 and 167,999.40

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Solution

The fourth proportional to 209,284.56, 288,923.04 and 167,999.40 is: 231,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,284.56 : 288,923.04 = 167,999.40 : x
  2. Step 2: Convert to fraction form
    209,284.56/288,923.04 = 167,999.40/x
  3. Step 3: Cross multiply
    209,284.56x = 288,923.04 × 167,999.40
  4. Step 4: Simplify right side
    209,284.56x = 48,538,897,366.18
  5. Step 5: Solve for x
    x = 48,538,897,366.18/209,284.56
  6. Step 6: Final answer
    x = 231,927.75

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1.5x scale

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.