Home / 282,403.86-423,511.74-113,880.66

Finding the Fourth Proportional to 282,403.86, 423,511.74 and 113,880.66

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Solution

The fourth proportional to 282,403.86, 423,511.74 and 113,880.66 is: 170,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,403.86 : 423,511.74 = 113,880.66 : x
  2. Step 2: Convert to fraction form
    282,403.86/423,511.74 = 113,880.66/x
  3. Step 3: Cross multiply
    282,403.86x = 423,511.74 × 113,880.66
  4. Step 4: Simplify right side
    282,403.86x = 48,229,796,468.95
  5. Step 5: Solve for x
    x = 48,229,796,468.95/282,403.86
  6. Step 6: Final answer
    x = 170,783.06

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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.