Home / 385,109.27-577,313.98-174,632.39

Finding the Fourth Proportional to 385,109.27, 577,313.98 and 174,632.39

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Solution

The fourth proportional to 385,109.27, 577,313.98 and 174,632.39 is: 261,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,109.27 : 577,313.98 = 174,632.39 : x
  2. Step 2: Convert to fraction form
    385,109.27/577,313.98 = 174,632.39/x
  3. Step 3: Cross multiply
    385,109.27x = 577,313.98 × 174,632.39
  4. Step 4: Simplify right side
    385,109.27x = 100,817,720,107.81
  5. Step 5: Solve for x
    x = 100,817,720,107.81/385,109.27
  6. Step 6: Final answer
    x = 261,789.91

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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.