Home / 281,353.19-421,032.27-248,137.93

Finding the Fourth Proportional to 281,353.19, 421,032.27 and 248,137.93

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Solution

The fourth proportional to 281,353.19, 421,032.27 and 248,137.93 is: 371,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,353.19 : 421,032.27 = 248,137.93 : x
  2. Step 2: Convert to fraction form
    281,353.19/421,032.27 = 248,137.93/x
  3. Step 3: Cross multiply
    281,353.19x = 421,032.27 × 248,137.93
  4. Step 4: Simplify right side
    281,353.19x = 104,474,073,835.84
  5. Step 5: Solve for x
    x = 104,474,073,835.84/281,353.19
  6. Step 6: Final answer
    x = 371,327.13

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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.