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Finding the Fourth Proportional to 222,517.95, 333,776.85 and 147,784.01

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Solution

The fourth proportional to 222,517.95, 333,776.85 and 147,784.01 is: 221,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,517.95 : 333,776.85 = 147,784.01 : x
  2. Step 2: Convert to fraction form
    222,517.95/333,776.85 = 147,784.01/x
  3. Step 3: Cross multiply
    222,517.95x = 333,776.85 × 147,784.01
  4. Step 4: Simplify right side
    222,517.95x = 49,326,879,669.28
  5. Step 5: Solve for x
    x = 49,326,879,669.28/222,517.95
  6. Step 6: Final answer
    x = 221,675.96

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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.