Home / 291,235.63-436,915.77-164,935.57

Finding the Fourth Proportional to 291,235.63, 436,915.77 and 164,935.57

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Solution

The fourth proportional to 291,235.63, 436,915.77 and 164,935.57 is: 247,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,235.63 : 436,915.77 = 164,935.57 : x
  2. Step 2: Convert to fraction form
    291,235.63/436,915.77 = 164,935.57/x
  3. Step 3: Cross multiply
    291,235.63x = 436,915.77 × 164,935.57
  4. Step 4: Simplify right side
    291,235.63x = 72,062,951,566.94
  5. Step 5: Solve for x
    x = 72,062,951,566.94/291,235.63
  6. Step 6: Final answer
    x = 247,438.65

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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.