Home / 383,835.06-529,718.34-222,690.18

Finding the Fourth Proportional to 383,835.06, 529,718.34 and 222,690.18

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Solution

The fourth proportional to 383,835.06, 529,718.34 and 222,690.18 is: 307,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,835.06 : 529,718.34 = 222,690.18 : x
  2. Step 2: Convert to fraction form
    383,835.06/529,718.34 = 222,690.18/x
  3. Step 3: Cross multiply
    383,835.06x = 529,718.34 × 222,690.18
  4. Step 4: Simplify right side
    383,835.06x = 117,963,072,483.90
  5. Step 5: Solve for x
    x = 117,963,072,483.90/383,835.06
  6. Step 6: Final answer
    x = 307,327.51

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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.