Home / 209,197.76-313,665.14-152,292.02

Finding the Fourth Proportional to 209,197.76, 313,665.14 and 152,292.02

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Solution

The fourth proportional to 209,197.76, 313,665.14 and 152,292.02 is: 228,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,197.76 : 313,665.14 = 152,292.02 : x
  2. Step 2: Convert to fraction form
    209,197.76/313,665.14 = 152,292.02/x
  3. Step 3: Cross multiply
    209,197.76x = 313,665.14 × 152,292.02
  4. Step 4: Simplify right side
    209,197.76x = 47,768,696,586.59
  5. Step 5: Solve for x
    x = 47,768,696,586.59/209,197.76
  6. Step 6: Final answer
    x = 228,342.30

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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.