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Finding the Fourth Proportional to 222,411, 332,779.44 and 155,980.80

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Solution

The fourth proportional to 222,411, 332,779.44 and 155,980.80 is: 233,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,411 : 332,779.44 = 155,980.80 : x
  2. Step 2: Convert to fraction form
    222,411/332,779.44 = 155,980.80/x
  3. Step 3: Cross multiply
    222,411x = 332,779.44 × 155,980.80
  4. Step 4: Simplify right side
    222,411x = 51,907,203,274.75
  5. Step 5: Solve for x
    x = 51,907,203,274.75/222,411
  6. Step 6: Final answer
    x = 233,384.15

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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.