Home / 219,326.48-302,670.62-123,839.33

Finding the Fourth Proportional to 219,326.48, 302,670.62 and 123,839.33

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Solution

The fourth proportional to 219,326.48, 302,670.62 and 123,839.33 is: 170,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,326.48 : 302,670.62 = 123,839.33 : x
  2. Step 2: Convert to fraction form
    219,326.48/302,670.62 = 123,839.33/x
  3. Step 3: Cross multiply
    219,326.48x = 302,670.62 × 123,839.33
  4. Step 4: Simplify right side
    219,326.48x = 37,482,527,522.45
  5. Step 5: Solve for x
    x = 37,482,527,522.45/219,326.48
  6. Step 6: Final answer
    x = 170,898.32

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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.