Home / 384,599.04-576,899-100,289.36

Finding the Fourth Proportional to 384,599.04, 576,899 and 100,289.36

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Solution

The fourth proportional to 384,599.04, 576,899 and 100,289.36 is: 150,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,599.04 : 576,899 = 100,289.36 : x
  2. Step 2: Convert to fraction form
    384,599.04/576,899 = 100,289.36/x
  3. Step 3: Cross multiply
    384,599.04x = 576,899 × 100,289.36
  4. Step 4: Simplify right side
    384,599.04x = 57,856,831,494.64
  5. Step 5: Solve for x
    x = 57,856,831,494.64/384,599.04
  6. Step 6: Final answer
    x = 150,434.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.