Home / 229,811.81-344,720.14-69,913.78

Finding the Fourth Proportional to 229,811.81, 344,720.14 and 69,913.78

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Solution

The fourth proportional to 229,811.81, 344,720.14 and 69,913.78 is: 104,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,811.81 : 344,720.14 = 69,913.78 : x
  2. Step 2: Convert to fraction form
    229,811.81/344,720.14 = 69,913.78/x
  3. Step 3: Cross multiply
    229,811.81x = 344,720.14 × 69,913.78
  4. Step 4: Simplify right side
    229,811.81x = 24,100,689,226.94
  5. Step 5: Solve for x
    x = 24,100,689,226.94/229,811.81
  6. Step 6: Final answer
    x = 104,871.41

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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.