Home / 628,160.16-942,245.78-178,880.66

Finding the Fourth Proportional to 628,160.16, 942,245.78 and 178,880.66

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Solution

The fourth proportional to 628,160.16, 942,245.78 and 178,880.66 is: 268,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,160.16 : 942,245.78 = 178,880.66 : x
  2. Step 2: Convert to fraction form
    628,160.16/942,245.78 = 178,880.66/x
  3. Step 3: Cross multiply
    628,160.16x = 942,245.78 × 178,880.66
  4. Step 4: Simplify right side
    628,160.16x = 168,549,541,402.98
  5. Step 5: Solve for x
    x = 168,549,541,402.98/628,160.16
  6. Step 6: Final answer
    x = 268,322.56

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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.