Home / 318,342.33-439,303.25-175,102.38

Finding the Fourth Proportional to 318,342.33, 439,303.25 and 175,102.38

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Solution

The fourth proportional to 318,342.33, 439,303.25 and 175,102.38 is: 241,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,342.33 : 439,303.25 = 175,102.38 : x
  2. Step 2: Convert to fraction form
    318,342.33/439,303.25 = 175,102.38/x
  3. Step 3: Cross multiply
    318,342.33x = 439,303.25 × 175,102.38
  4. Step 4: Simplify right side
    318,342.33x = 76,923,043,741.22
  5. Step 5: Solve for x
    x = 76,923,043,741.22/318,342.33
  6. Step 6: Final answer
    x = 241,636.24

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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.