Home / 242,981.45-364,470.62-82,980.18

Finding the Fourth Proportional to 242,981.45, 364,470.62 and 82,980.18

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Solution

The fourth proportional to 242,981.45, 364,470.62 and 82,980.18 is: 124,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,981.45 : 364,470.62 = 82,980.18 : x
  2. Step 2: Convert to fraction form
    242,981.45/364,470.62 = 82,980.18/x
  3. Step 3: Cross multiply
    242,981.45x = 364,470.62 × 82,980.18
  4. Step 4: Simplify right side
    242,981.45x = 30,243,837,704.17
  5. Step 5: Solve for x
    x = 30,243,837,704.17/242,981.45
  6. Step 6: Final answer
    x = 124,469.74

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1.5x scale

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.