Home / 219,284.76-302,620.30-134,385.42

Finding the Fourth Proportional to 219,284.76, 302,620.30 and 134,385.42

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Solution

The fourth proportional to 219,284.76, 302,620.30 and 134,385.42 is: 185,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,284.76 : 302,620.30 = 134,385.42 : x
  2. Step 2: Convert to fraction form
    219,284.76/302,620.30 = 134,385.42/x
  3. Step 3: Cross multiply
    219,284.76x = 302,620.30 × 134,385.42
  4. Step 4: Simplify right side
    219,284.76x = 40,667,756,116.03
  5. Step 5: Solve for x
    x = 40,667,756,116.03/219,284.76
  6. Step 6: Final answer
    x = 185,456.37

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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.