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Finding the Fourth Proportional to 627,011.98, 940,501.53 and 222,198.28

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Solution

The fourth proportional to 627,011.98, 940,501.53 and 222,198.28 is: 333,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,011.98 : 940,501.53 = 222,198.28 : x
  2. Step 2: Convert to fraction form
    627,011.98/940,501.53 = 222,198.28/x
  3. Step 3: Cross multiply
    627,011.98x = 940,501.53 × 222,198.28
  4. Step 4: Simplify right side
    627,011.98x = 208,977,822,303.37
  5. Step 5: Solve for x
    x = 208,977,822,303.37/627,011.98
  6. Step 6: Final answer
    x = 333,291.59

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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.