Home / 229,215.35-316,350.08-137,338.27

Finding the Fourth Proportional to 229,215.35, 316,350.08 and 137,338.27

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Solution

The fourth proportional to 229,215.35, 316,350.08 and 137,338.27 is: 189,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,215.35 : 316,350.08 = 137,338.27 : x
  2. Step 2: Convert to fraction form
    229,215.35/316,350.08 = 137,338.27/x
  3. Step 3: Cross multiply
    229,215.35x = 316,350.08 × 137,338.27
  4. Step 4: Simplify right side
    229,215.35x = 43,446,971,739.01
  5. Step 5: Solve for x
    x = 43,446,971,739.01/229,215.35
  6. Step 6: Final answer
    x = 189,546.52

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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.