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Finding the Fourth Proportional to 344,341.42, 516,216.31 and 119,672.67

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Solution

The fourth proportional to 344,341.42, 516,216.31 and 119,672.67 is: 179,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,341.42 : 516,216.31 = 119,672.67 : x
  2. Step 2: Convert to fraction form
    344,341.42/516,216.31 = 119,672.67/x
  3. Step 3: Cross multiply
    344,341.42x = 516,216.31 × 119,672.67
  4. Step 4: Simplify right side
    344,341.42x = 61,776,984,115.25
  5. Step 5: Solve for x
    x = 61,776,984,115.25/344,341.42
  6. Step 6: Final answer
    x = 179,406.20

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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.