Home / 451,978.07-623,675.99-268,187.45

Finding the Fourth Proportional to 451,978.07, 623,675.99 and 268,187.45

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Solution

The fourth proportional to 451,978.07, 623,675.99 and 268,187.45 is: 370,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,978.07 : 623,675.99 = 268,187.45 : x
  2. Step 2: Convert to fraction form
    451,978.07/623,675.99 = 268,187.45/x
  3. Step 3: Cross multiply
    451,978.07x = 623,675.99 × 268,187.45
  4. Step 4: Simplify right side
    451,978.07x = 167,262,072,043.39
  5. Step 5: Solve for x
    x = 167,262,072,043.39/451,978.07
  6. Step 6: Final answer
    x = 370,066.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.