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Finding the Fourth Proportional to 222,732.80, 333,127.20 and 199,210.40

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Solution

The fourth proportional to 222,732.80, 333,127.20 and 199,210.40 is: 297,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732.80 : 333,127.20 = 199,210.40 : x
  2. Step 2: Convert to fraction form
    222,732.80/333,127.20 = 199,210.40/x
  3. Step 3: Cross multiply
    222,732.80x = 333,127.20 × 199,210.40
  4. Step 4: Simplify right side
    222,732.80x = 66,362,402,762.88
  5. Step 5: Solve for x
    x = 66,362,402,762.88/222,732.80
  6. Step 6: Final answer
    x = 297,946.25

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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.