Home / 281,619.54-388,635.84-152,559.36

Finding the Fourth Proportional to 281,619.54, 388,635.84 and 152,559.36

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Solution

The fourth proportional to 281,619.54, 388,635.84 and 152,559.36 is: 210,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,619.54 : 388,635.84 = 152,559.36 : x
  2. Step 2: Convert to fraction form
    281,619.54/388,635.84 = 152,559.36/x
  3. Step 3: Cross multiply
    281,619.54x = 388,635.84 × 152,559.36
  4. Step 4: Simplify right side
    281,619.54x = 59,290,035,023.46
  5. Step 5: Solve for x
    x = 59,290,035,023.46/281,619.54
  6. Step 6: Final answer
    x = 210,532.39

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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.