Home / 219,019.72-302,246.40-123,525.82

Finding the Fourth Proportional to 219,019.72, 302,246.40 and 123,525.82

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Solution

The fourth proportional to 219,019.72, 302,246.40 and 123,525.82 is: 170,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,019.72 : 302,246.40 = 123,525.82 : x
  2. Step 2: Convert to fraction form
    219,019.72/302,246.40 = 123,525.82/x
  3. Step 3: Cross multiply
    219,019.72x = 302,246.40 × 123,525.82
  4. Step 4: Simplify right side
    219,019.72x = 37,335,234,402.05
  5. Step 5: Solve for x
    x = 37,335,234,402.05/219,019.72
  6. Step 6: Final answer
    x = 170,465.17

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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.