Home / 288,231.17-433,002.85-208,515.02

Finding the Fourth Proportional to 288,231.17, 433,002.85 and 208,515.02

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Solution

The fourth proportional to 288,231.17, 433,002.85 and 208,515.02 is: 313,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,231.17 : 433,002.85 = 208,515.02 : x
  2. Step 2: Convert to fraction form
    288,231.17/433,002.85 = 208,515.02/x
  3. Step 3: Cross multiply
    288,231.17x = 433,002.85 × 208,515.02
  4. Step 4: Simplify right side
    288,231.17x = 90,287,595,241.51
  5. Step 5: Solve for x
    x = 90,287,595,241.51/288,231.17
  6. Step 6: Final answer
    x = 313,247.16

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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.