Home / 443,835.32-612,606.66-273,971.84

Finding the Fourth Proportional to 443,835.32, 612,606.66 and 273,971.84

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Solution

The fourth proportional to 443,835.32, 612,606.66 and 273,971.84 is: 378,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,835.32 : 612,606.66 = 273,971.84 : x
  2. Step 2: Convert to fraction form
    443,835.32/612,606.66 = 273,971.84/x
  3. Step 3: Cross multiply
    443,835.32x = 612,606.66 × 273,971.84
  4. Step 4: Simplify right side
    443,835.32x = 167,836,973,836.45
  5. Step 5: Solve for x
    x = 167,836,973,836.45/443,835.32
  6. Step 6: Final answer
    x = 378,151.46

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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.