Home / 219,305.28-302,648.61-134,405.94

Finding the Fourth Proportional to 219,305.28, 302,648.61 and 134,405.94

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Solution

The fourth proportional to 219,305.28, 302,648.61 and 134,405.94 is: 185,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,305.28 : 302,648.61 = 134,405.94 : x
  2. Step 2: Convert to fraction form
    219,305.28/302,648.61 = 134,405.94/x
  3. Step 3: Cross multiply
    219,305.28x = 302,648.61 × 134,405.94
  4. Step 4: Simplify right side
    219,305.28x = 40,677,770,916.74
  5. Step 5: Solve for x
    x = 40,677,770,916.74/219,305.28
  6. Step 6: Final answer
    x = 185,484.69

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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.