Home / 384,052.20-529,987.50-211,971.48

Finding the Fourth Proportional to 384,052.20, 529,987.50 and 211,971.48

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Solution

The fourth proportional to 384,052.20, 529,987.50 and 211,971.48 is: 292,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,052.20 : 529,987.50 = 211,971.48 : x
  2. Step 2: Convert to fraction form
    384,052.20/529,987.50 = 211,971.48/x
  3. Step 3: Cross multiply
    384,052.20x = 529,987.50 × 211,971.48
  4. Step 4: Simplify right side
    384,052.20x = 112,342,234,756.50
  5. Step 5: Solve for x
    x = 112,342,234,756.50/384,052.20
  6. Step 6: Final answer
    x = 292,518.14

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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.