Home / 281,546.48-388,534.24-154,224.16

Finding the Fourth Proportional to 281,546.48, 388,534.24 and 154,224.16

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Solution

The fourth proportional to 281,546.48, 388,534.24 and 154,224.16 is: 212,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,546.48 : 388,534.24 = 154,224.16 : x
  2. Step 2: Convert to fraction form
    281,546.48/388,534.24 = 154,224.16/x
  3. Step 3: Cross multiply
    281,546.48x = 388,534.24 × 154,224.16
  4. Step 4: Simplify right side
    281,546.48x = 59,921,366,795.24
  5. Step 5: Solve for x
    x = 59,921,366,795.24/281,546.48
  6. Step 6: Final answer
    x = 212,829.39

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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.