Home / 281,832.90-388,927.96-152,770.87

Finding the Fourth Proportional to 281,832.90, 388,927.96 and 152,770.87

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Solution

The fourth proportional to 281,832.90, 388,927.96 and 152,770.87 is: 210,823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,832.90 : 388,927.96 = 152,770.87 : x
  2. Step 2: Convert to fraction form
    281,832.90/388,927.96 = 152,770.87/x
  3. Step 3: Cross multiply
    281,832.90x = 388,927.96 × 152,770.87
  4. Step 4: Simplify right side
    281,832.90x = 59,416,862,816.53
  5. Step 5: Solve for x
    x = 59,416,862,816.53/281,832.90
  6. Step 6: Final answer
    x = 210,823.02

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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.