Home / 288,231.61-433,003.50-208,515.46

Finding the Fourth Proportional to 288,231.61, 433,003.50 and 208,515.46

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Solution

The fourth proportional to 288,231.61, 433,003.50 and 208,515.46 is: 313,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,231.61 : 433,003.50 = 208,515.46 : x
  2. Step 2: Convert to fraction form
    288,231.61/433,003.50 = 208,515.46/x
  3. Step 3: Cross multiply
    288,231.61x = 433,003.50 × 208,515.46
  4. Step 4: Simplify right side
    288,231.61x = 90,287,923,984.11
  5. Step 5: Solve for x
    x = 90,287,923,984.11/288,231.61
  6. Step 6: Final answer
    x = 313,247.82

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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.