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Finding the Fourth Proportional to 222,433.70, 333,650.55 and 211,547.30

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Solution

The fourth proportional to 222,433.70, 333,650.55 and 211,547.30 is: 317,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,433.70 : 333,650.55 = 211,547.30 : x
  2. Step 2: Convert to fraction form
    222,433.70/333,650.55 = 211,547.30/x
  3. Step 3: Cross multiply
    222,433.70x = 333,650.55 × 211,547.30
  4. Step 4: Simplify right side
    222,433.70x = 70,582,872,996.02
  5. Step 5: Solve for x
    x = 70,582,872,996.02/222,433.70
  6. Step 6: Final answer
    x = 317,320.95

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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.