Home / 492,177.69-738,328.14-192,619.59

Finding the Fourth Proportional to 492,177.69, 738,328.14 and 192,619.59

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Solution

The fourth proportional to 492,177.69, 738,328.14 and 192,619.59 is: 288,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,177.69 : 738,328.14 = 192,619.59 : x
  2. Step 2: Convert to fraction form
    492,177.69/738,328.14 = 192,619.59/x
  3. Step 3: Cross multiply
    492,177.69x = 738,328.14 × 192,619.59
  4. Step 4: Simplify right side
    492,177.69x = 142,216,463,612.26
  5. Step 5: Solve for x
    x = 142,216,463,612.26/492,177.69
  6. Step 6: Final answer
    x = 288,953.49

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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.