Home / 281,332.82-388,239.26-152,271.27

Finding the Fourth Proportional to 281,332.82, 388,239.26 and 152,271.27

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Solution

The fourth proportional to 281,332.82, 388,239.26 and 152,271.27 is: 210,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,332.82 : 388,239.26 = 152,271.27 : x
  2. Step 2: Convert to fraction form
    281,332.82/388,239.26 = 152,271.27/x
  3. Step 3: Cross multiply
    281,332.82x = 388,239.26 × 152,271.27
  4. Step 4: Simplify right side
    281,332.82x = 59,117,683,452.11
  5. Step 5: Solve for x
    x = 59,117,683,452.11/281,332.82
  6. Step 6: Final answer
    x = 210,134.33

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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.