Home / 291,152.40-401,787.72-163,825.44

Finding the Fourth Proportional to 291,152.40, 401,787.72 and 163,825.44

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Solution

The fourth proportional to 291,152.40, 401,787.72 and 163,825.44 is: 226,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,152.40 : 401,787.72 = 163,825.44 : x
  2. Step 2: Convert to fraction form
    291,152.40/401,787.72 = 163,825.44/x
  3. Step 3: Cross multiply
    291,152.40x = 401,787.72 × 163,825.44
  4. Step 4: Simplify right side
    291,152.40x = 65,823,050,015.60
  5. Step 5: Solve for x
    x = 65,823,050,015.60/291,152.40
  6. Step 6: Final answer
    x = 226,077.65

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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.