Home / 383,820.50-529,501.07-222,582.18

Finding the Fourth Proportional to 383,820.50, 529,501.07 and 222,582.18

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Solution

The fourth proportional to 383,820.50, 529,501.07 and 222,582.18 is: 307,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,820.50 : 529,501.07 = 222,582.18 : x
  2. Step 2: Convert to fraction form
    383,820.50/529,501.07 = 222,582.18/x
  3. Step 3: Cross multiply
    383,820.50x = 529,501.07 × 222,582.18
  4. Step 4: Simplify right side
    383,820.50x = 117,857,501,360.02
  5. Step 5: Solve for x
    x = 117,857,501,360.02/383,820.50
  6. Step 6: Final answer
    x = 307,064.12

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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.