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Finding the Fourth Proportional to 522,101.70, 783,225.45 and 222,579.90

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Solution

The fourth proportional to 522,101.70, 783,225.45 and 222,579.90 is: 333,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,101.70 : 783,225.45 = 222,579.90 : x
  2. Step 2: Convert to fraction form
    522,101.70/783,225.45 = 222,579.90/x
  3. Step 3: Cross multiply
    522,101.70x = 783,225.45 × 222,579.90
  4. Step 4: Simplify right side
    522,101.70x = 174,330,242,338.46
  5. Step 5: Solve for x
    x = 174,330,242,338.46/522,101.70
  6. Step 6: Final answer
    x = 333,900.93

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1.5x scale

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.