Home / 217,350.84-299,973.06-126,708.60

Finding the Fourth Proportional to 217,350.84, 299,973.06 and 126,708.60

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Solution

The fourth proportional to 217,350.84, 299,973.06 and 126,708.60 is: 174,874.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,350.84 : 299,973.06 = 126,708.60 : x
  2. Step 2: Convert to fraction form
    217,350.84/299,973.06 = 126,708.60/x
  3. Step 3: Cross multiply
    217,350.84x = 299,973.06 × 126,708.60
  4. Step 4: Simplify right side
    217,350.84x = 38,009,166,470.32
  5. Step 5: Solve for x
    x = 38,009,166,470.32/217,350.84
  6. Step 6: Final answer
    x = 174,874.72

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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.