Home / 281,733.35-388,791.27-152,675.42

Finding the Fourth Proportional to 281,733.35, 388,791.27 and 152,675.42

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Solution

The fourth proportional to 281,733.35, 388,791.27 and 152,675.42 is: 210,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,733.35 : 388,791.27 = 152,675.42 : x
  2. Step 2: Convert to fraction form
    281,733.35/388,791.27 = 152,675.42/x
  3. Step 3: Cross multiply
    281,733.35x = 388,791.27 × 152,675.42
  4. Step 4: Simplify right side
    281,733.35x = 59,358,868,495.63
  5. Step 5: Solve for x
    x = 59,358,868,495.63/281,733.35
  6. Step 6: Final answer
    x = 210,691.67

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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.