Home / 222,521.46-333,782.10-147,787.50

Finding the Fourth Proportional to 222,521.46, 333,782.10 and 147,787.50

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Solution

The fourth proportional to 222,521.46, 333,782.10 and 147,787.50 is: 221,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,521.46 : 333,782.10 = 147,787.50 : x
  2. Step 2: Convert to fraction form
    222,521.46/333,782.10 = 147,787.50/x
  3. Step 3: Cross multiply
    222,521.46x = 333,782.10 × 147,787.50
  4. Step 4: Simplify right side
    222,521.46x = 49,328,822,103.75
  5. Step 5: Solve for x
    x = 49,328,822,103.75/222,521.46
  6. Step 6: Final answer
    x = 221,681.19

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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.