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Finding the Fourth Proportional to 294,343.19, 441,580.63 and 107,354.69

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Solution

The fourth proportional to 294,343.19, 441,580.63 and 107,354.69 is: 161,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,343.19 : 441,580.63 = 107,354.69 : x
  2. Step 2: Convert to fraction form
    294,343.19/441,580.63 = 107,354.69/x
  3. Step 3: Cross multiply
    294,343.19x = 441,580.63 × 107,354.69
  4. Step 4: Simplify right side
    294,343.19x = 47,405,751,643.65
  5. Step 5: Solve for x
    x = 47,405,751,643.65/294,343.19
  6. Step 6: Final answer
    x = 161,056.05

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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.