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Finding the Fourth Proportional to 417,504.03, 626,059.22 and 248,980.65

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Solution

The fourth proportional to 417,504.03, 626,059.22 and 248,980.65 is: 373,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,504.03 : 626,059.22 = 248,980.65 : x
  2. Step 2: Convert to fraction form
    417,504.03/626,059.22 = 248,980.65/x
  3. Step 3: Cross multiply
    417,504.03x = 626,059.22 × 248,980.65
  4. Step 4: Simplify right side
    417,504.03x = 155,876,630,289.19
  5. Step 5: Solve for x
    x = 155,876,630,289.19/417,504.03
  6. Step 6: Final answer
    x = 373,353.59

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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.