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Finding the Fourth Proportional to 222,751.40, 334,127.10 and 104,653.40

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Solution

The fourth proportional to 222,751.40, 334,127.10 and 104,653.40 is: 156,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,751.40 : 334,127.10 = 104,653.40 : x
  2. Step 2: Convert to fraction form
    222,751.40/334,127.10 = 104,653.40/x
  3. Step 3: Cross multiply
    222,751.40x = 334,127.10 × 104,653.40
  4. Step 4: Simplify right side
    222,751.40x = 34,967,537,047.14
  5. Step 5: Solve for x
    x = 34,967,537,047.14/222,751.40
  6. Step 6: Final answer
    x = 156,980.10

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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.