Home / 250,780.78-346,077.50-143,353.16

Finding the Fourth Proportional to 250,780.78, 346,077.50 and 143,353.16

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Solution

The fourth proportional to 250,780.78, 346,077.50 and 143,353.16 is: 197,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,780.78 : 346,077.50 = 143,353.16 : x
  2. Step 2: Convert to fraction form
    250,780.78/346,077.50 = 143,353.16/x
  3. Step 3: Cross multiply
    250,780.78x = 346,077.50 × 143,353.16
  4. Step 4: Simplify right side
    250,780.78x = 49,611,303,229.90
  5. Step 5: Solve for x
    x = 49,611,303,229.90/250,780.78
  6. Step 6: Final answer
    x = 197,827.37

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1.5x scale

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.