Home / 257,084.37-385,662.47-107,290.36

Finding the Fourth Proportional to 257,084.37, 385,662.47 and 107,290.36

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Solution

The fourth proportional to 257,084.37, 385,662.47 and 107,290.36 is: 160,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,084.37 : 385,662.47 = 107,290.36 : x
  2. Step 2: Convert to fraction form
    257,084.37/385,662.47 = 107,290.36/x
  3. Step 3: Cross multiply
    257,084.37x = 385,662.47 × 107,290.36
  4. Step 4: Simplify right side
    257,084.37x = 41,377,865,244.79
  5. Step 5: Solve for x
    x = 41,377,865,244.79/257,084.37
  6. Step 6: Final answer
    x = 160,950.53

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1.5x scale

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.