Home / 242,830.20-363,953.70-124,440.60

Finding the Fourth Proportional to 242,830.20, 363,953.70 and 124,440.60

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Solution

The fourth proportional to 242,830.20, 363,953.70 and 124,440.60 is: 186,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,830.20 : 363,953.70 = 124,440.60 : x
  2. Step 2: Convert to fraction form
    242,830.20/363,953.70 = 124,440.60/x
  3. Step 3: Cross multiply
    242,830.20x = 363,953.70 × 124,440.60
  4. Step 4: Simplify right side
    242,830.20x = 45,290,616,800.22
  5. Step 5: Solve for x
    x = 45,290,616,800.22/242,830.20
  6. Step 6: Final answer
    x = 186,511.47

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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.