Home / 205,421.60-307,844.40-163,373.60

Finding the Fourth Proportional to 205,421.60, 307,844.40 and 163,373.60

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Solution

The fourth proportional to 205,421.60, 307,844.40 and 163,373.60 is: 244,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,421.60 : 307,844.40 = 163,373.60 : x
  2. Step 2: Convert to fraction form
    205,421.60/307,844.40 = 163,373.60/x
  3. Step 3: Cross multiply
    205,421.60x = 307,844.40 × 163,373.60
  4. Step 4: Simplify right side
    205,421.60x = 50,293,647,867.84
  5. Step 5: Solve for x
    x = 50,293,647,867.84/205,421.60
  6. Step 6: Final answer
    x = 244,831.35

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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.