Home / 215,221.29-297,003.94-118,431.03

Finding the Fourth Proportional to 215,221.29, 297,003.94 and 118,431.03

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Solution

The fourth proportional to 215,221.29, 297,003.94 and 118,431.03 is: 163,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,221.29 : 297,003.94 = 118,431.03 : x
  2. Step 2: Convert to fraction form
    215,221.29/297,003.94 = 118,431.03/x
  3. Step 3: Cross multiply
    215,221.29x = 297,003.94 × 118,431.03
  4. Step 4: Simplify right side
    215,221.29x = 35,174,482,528.26
  5. Step 5: Solve for x
    x = 35,174,482,528.26/215,221.29
  6. Step 6: Final answer
    x = 163,434.03

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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.