Home / 294,133.20-403,259.96-288,818.76

Finding the Fourth Proportional to 294,133.20, 403,259.96 and 288,818.76

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Solution

The fourth proportional to 294,133.20, 403,259.96 and 288,818.76 is: 395,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,133.20 : 403,259.96 = 288,818.76 : x
  2. Step 2: Convert to fraction form
    294,133.20/403,259.96 = 288,818.76/x
  3. Step 3: Cross multiply
    294,133.20x = 403,259.96 × 288,818.76
  4. Step 4: Simplify right side
    294,133.20x = 116,469,041,604.85
  5. Step 5: Solve for x
    x = 116,469,041,604.85/294,133.20
  6. Step 6: Final answer
    x = 395,973.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.