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Finding the Fourth Proportional to 259,450.52, 388,417.56 and 234,547.88

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Solution

The fourth proportional to 259,450.52, 388,417.56 and 234,547.88 is: 351,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,450.52 : 388,417.56 = 234,547.88 : x
  2. Step 2: Convert to fraction form
    259,450.52/388,417.56 = 234,547.88/x
  3. Step 3: Cross multiply
    259,450.52x = 388,417.56 × 234,547.88
  4. Step 4: Simplify right side
    259,450.52x = 91,102,515,252.77
  5. Step 5: Solve for x
    x = 91,102,515,252.77/259,450.52
  6. Step 6: Final answer
    x = 351,136.38

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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.