Home / 281,489.24-388,455.01-152,427.69

Finding the Fourth Proportional to 281,489.24, 388,455.01 and 152,427.69

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Solution

The fourth proportional to 281,489.24, 388,455.01 and 152,427.69 is: 210,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,489.24 : 388,455.01 = 152,427.69 : x
  2. Step 2: Convert to fraction form
    281,489.24/388,455.01 = 152,427.69/x
  3. Step 3: Cross multiply
    281,489.24x = 388,455.01 × 152,427.69
  4. Step 4: Simplify right side
    281,489.24x = 59,211,299,462.16
  5. Step 5: Solve for x
    x = 59,211,299,462.16/281,489.24
  6. Step 6: Final answer
    x = 210,350.13

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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.