Home / 238,640.58-358,123.68-126,316.26

Finding the Fourth Proportional to 238,640.58, 358,123.68 and 126,316.26

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Solution

The fourth proportional to 238,640.58, 358,123.68 and 126,316.26 is: 189,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,640.58 : 358,123.68 = 126,316.26 : x
  2. Step 2: Convert to fraction form
    238,640.58/358,123.68 = 126,316.26/x
  3. Step 3: Cross multiply
    238,640.58x = 358,123.68 × 126,316.26
  4. Step 4: Simplify right side
    238,640.58x = 45,236,843,875.04
  5. Step 5: Solve for x
    x = 45,236,843,875.04/238,640.58
  6. Step 6: Final answer
    x = 189,560.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.