Home / 219,581.10-302,854.69-189,006.21

Finding the Fourth Proportional to 219,581.10, 302,854.69 and 189,006.21

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Solution

The fourth proportional to 219,581.10, 302,854.69 and 189,006.21 is: 260,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,581.10 : 302,854.69 = 189,006.21 : x
  2. Step 2: Convert to fraction form
    219,581.10/302,854.69 = 189,006.21/x
  3. Step 3: Cross multiply
    219,581.10x = 302,854.69 × 189,006.21
  4. Step 4: Simplify right side
    219,581.10x = 57,241,415,150.84
  5. Step 5: Solve for x
    x = 57,241,415,150.84/219,581.10
  6. Step 6: Final answer
    x = 260,684.62

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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.