Home / 383,402.17-529,092.62-208,972.18

Finding the Fourth Proportional to 383,402.17, 529,092.62 and 208,972.18

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Solution

The fourth proportional to 383,402.17, 529,092.62 and 208,972.18 is: 288,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,402.17 : 529,092.62 = 208,972.18 : x
  2. Step 2: Convert to fraction form
    383,402.17/529,092.62 = 208,972.18/x
  3. Step 3: Cross multiply
    383,402.17x = 529,092.62 × 208,972.18
  4. Step 4: Simplify right side
    383,402.17x = 110,565,637,178.45
  5. Step 5: Solve for x
    x = 110,565,637,178.45/383,402.17
  6. Step 6: Final answer
    x = 288,380.31

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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.