Home / 215,279.91-297,076.14-118,480.59

Finding the Fourth Proportional to 215,279.91, 297,076.14 and 118,480.59

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Solution

The fourth proportional to 215,279.91, 297,076.14 and 118,480.59 is: 163,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,279.91 : 297,076.14 = 118,480.59 : x
  2. Step 2: Convert to fraction form
    215,279.91/297,076.14 = 118,480.59/x
  3. Step 3: Cross multiply
    215,279.91x = 297,076.14 × 118,480.59
  4. Step 4: Simplify right side
    215,279.91x = 35,197,756,342.12
  5. Step 5: Solve for x
    x = 35,197,756,342.12/215,279.91
  6. Step 6: Final answer
    x = 163,497.64

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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.