Home / 558,131.64-837,421.38-203,170.20

Finding the Fourth Proportional to 558,131.64, 837,421.38 and 203,170.20

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Solution

The fourth proportional to 558,131.64, 837,421.38 and 203,170.20 is: 304,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,131.64 : 837,421.38 = 203,170.20 : x
  2. Step 2: Convert to fraction form
    558,131.64/837,421.38 = 203,170.20/x
  3. Step 3: Cross multiply
    558,131.64x = 837,421.38 × 203,170.20
  4. Step 4: Simplify right side
    558,131.64x = 170,139,069,258.88
  5. Step 5: Solve for x
    x = 170,139,069,258.88/558,131.64
  6. Step 6: Final answer
    x = 304,836.81

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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.