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Finding the Fourth Proportional to 288,042.98, 397,499.06 and 160,718.57

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Solution

The fourth proportional to 288,042.98, 397,499.06 and 160,718.57 is: 221,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,042.98 : 397,499.06 = 160,718.57 : x
  2. Step 2: Convert to fraction form
    288,042.98/397,499.06 = 160,718.57/x
  3. Step 3: Cross multiply
    288,042.98x = 397,499.06 × 160,718.57
  4. Step 4: Simplify right side
    288,042.98x = 63,885,477,708.46
  5. Step 5: Solve for x
    x = 63,885,477,708.46/288,042.98
  6. Step 6: Final answer
    x = 221,791.48

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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.