Home / 318,066.32-438,939.60-174,830

Finding the Fourth Proportional to 318,066.32, 438,939.60 and 174,830

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Solution

The fourth proportional to 318,066.32, 438,939.60 and 174,830 is: 241,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,066.32 : 438,939.60 = 174,830 : x
  2. Step 2: Convert to fraction form
    318,066.32/438,939.60 = 174,830/x
  3. Step 3: Cross multiply
    318,066.32x = 438,939.60 × 174,830
  4. Step 4: Simplify right side
    318,066.32x = 76,739,810,268
  5. Step 5: Solve for x
    x = 76,739,810,268/318,066.32
  6. Step 6: Final answer
    x = 241,269.84

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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.