Home / 219,127.47-328,687.09-69,376.75

Finding the Fourth Proportional to 219,127.47, 328,687.09 and 69,376.75

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Solution

The fourth proportional to 219,127.47, 328,687.09 and 69,376.75 is: 104,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,127.47 : 328,687.09 = 69,376.75 : x
  2. Step 2: Convert to fraction form
    219,127.47/328,687.09 = 69,376.75/x
  3. Step 3: Cross multiply
    219,127.47x = 328,687.09 × 69,376.75
  4. Step 4: Simplify right side
    219,127.47x = 22,803,242,071.16
  5. Step 5: Solve for x
    x = 22,803,242,071.16/219,127.47
  6. Step 6: Final answer
    x = 104,063.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.