Home / 346,636.12-520,146.42-169,144.60

Finding the Fourth Proportional to 346,636.12, 520,146.42 and 169,144.60

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Solution

The fourth proportional to 346,636.12, 520,146.42 and 169,144.60 is: 253,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,636.12 : 520,146.42 = 169,144.60 : x
  2. Step 2: Convert to fraction form
    346,636.12/520,146.42 = 169,144.60/x
  3. Step 3: Cross multiply
    346,636.12x = 520,146.42 × 169,144.60
  4. Step 4: Simplify right side
    346,636.12x = 87,979,958,152.33
  5. Step 5: Solve for x
    x = 87,979,958,152.33/346,636.12
  6. Step 6: Final answer
    x = 253,810.71

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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.