Home / 218,896.64-302,077.52-118,294.64

Finding the Fourth Proportional to 218,896.64, 302,077.52 and 118,294.64

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Solution

The fourth proportional to 218,896.64, 302,077.52 and 118,294.64 is: 163,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,896.64 : 302,077.52 = 118,294.64 : x
  2. Step 2: Convert to fraction form
    218,896.64/302,077.52 = 118,294.64/x
  3. Step 3: Cross multiply
    218,896.64x = 302,077.52 × 118,294.64
  4. Step 4: Simplify right side
    218,896.64x = 35,734,151,480.49
  5. Step 5: Solve for x
    x = 35,734,151,480.49/218,896.64
  6. Step 6: Final answer
    x = 163,246.69

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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.