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Finding the Fourth Proportional to 370,832.76, 555,341.91 and 334,890.39

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Solution

The fourth proportional to 370,832.76, 555,341.91 and 334,890.39 is: 501,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,832.76 : 555,341.91 = 334,890.39 : x
  2. Step 2: Convert to fraction form
    370,832.76/555,341.91 = 334,890.39/x
  3. Step 3: Cross multiply
    370,832.76x = 555,341.91 × 334,890.39
  4. Step 4: Simplify right side
    370,832.76x = 185,978,668,823.25
  5. Step 5: Solve for x
    x = 185,978,668,823.25/370,832.76
  6. Step 6: Final answer
    x = 501,516.29

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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.