Home / 403,043.20-555,822.03-250,106.20

Finding the Fourth Proportional to 403,043.20, 555,822.03 and 250,106.20

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Solution

The fourth proportional to 403,043.20, 555,822.03 and 250,106.20 is: 344,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,043.20 : 555,822.03 = 250,106.20 : x
  2. Step 2: Convert to fraction form
    403,043.20/555,822.03 = 250,106.20/x
  3. Step 3: Cross multiply
    403,043.20x = 555,822.03 × 250,106.20
  4. Step 4: Simplify right side
    403,043.20x = 139,014,535,799.59
  5. Step 5: Solve for x
    x = 139,014,535,799.59/403,043.20
  6. Step 6: Final answer
    x = 344,912.25

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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.