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Finding the Fourth Proportional to 223,260.30, 334,890.45 and 57,048.30

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Solution

The fourth proportional to 223,260.30, 334,890.45 and 57,048.30 is: 85,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,260.30 : 334,890.45 = 57,048.30 : x
  2. Step 2: Convert to fraction form
    223,260.30/334,890.45 = 57,048.30/x
  3. Step 3: Cross multiply
    223,260.30x = 334,890.45 × 57,048.30
  4. Step 4: Simplify right side
    223,260.30x = 19,104,930,858.74
  5. Step 5: Solve for x
    x = 19,104,930,858.74/223,260.30
  6. Step 6: Final answer
    x = 85,572.45

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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.