Home / 240,438.78-331,815.29-133,006.96

Finding the Fourth Proportional to 240,438.78, 331,815.29 and 133,006.96

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Solution

The fourth proportional to 240,438.78, 331,815.29 and 133,006.96 is: 183,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,438.78 : 331,815.29 = 133,006.96 : x
  2. Step 2: Convert to fraction form
    240,438.78/331,815.29 = 133,006.96/x
  3. Step 3: Cross multiply
    240,438.78x = 331,815.29 × 133,006.96
  4. Step 4: Simplify right side
    240,438.78x = 44,133,742,754.15
  5. Step 5: Solve for x
    x = 44,133,742,754.15/240,438.78
  6. Step 6: Final answer
    x = 183,555.01

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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.