Home / 301,277.19-451,918.37-76,637.84

Finding the Fourth Proportional to 301,277.19, 451,918.37 and 76,637.84

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Solution

The fourth proportional to 301,277.19, 451,918.37 and 76,637.84 is: 114,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,277.19 : 451,918.37 = 76,637.84 : x
  2. Step 2: Convert to fraction form
    301,277.19/451,918.37 = 76,637.84/x
  3. Step 3: Cross multiply
    301,277.19x = 451,918.37 × 76,637.84
  4. Step 4: Simplify right side
    301,277.19x = 34,634,047,733.12
  5. Step 5: Solve for x
    x = 34,634,047,733.12/301,277.19
  6. Step 6: Final answer
    x = 114,957.42

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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.