Home / 279,791.07-386,110.47-152,466.66

Finding the Fourth Proportional to 279,791.07, 386,110.47 and 152,466.66

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Solution

The fourth proportional to 279,791.07, 386,110.47 and 152,466.66 is: 210,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,791.07 : 386,110.47 = 152,466.66 : x
  2. Step 2: Convert to fraction form
    279,791.07/386,110.47 = 152,466.66/x
  3. Step 3: Cross multiply
    279,791.07x = 386,110.47 × 152,466.66
  4. Step 4: Simplify right side
    279,791.07x = 58,868,973,751.93
  5. Step 5: Solve for x
    x = 58,868,973,751.93/279,791.07
  6. Step 6: Final answer
    x = 210,403.33

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1.5x scale

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.