Home / 389,439.90-583,722.45-164,762.10

Finding the Fourth Proportional to 389,439.90, 583,722.45 and 164,762.10

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Solution

The fourth proportional to 389,439.90, 583,722.45 and 164,762.10 is: 246,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,439.90 : 583,722.45 = 164,762.10 : x
  2. Step 2: Convert to fraction form
    389,439.90/583,722.45 = 164,762.10/x
  3. Step 3: Cross multiply
    389,439.90x = 583,722.45 × 164,762.10
  4. Step 4: Simplify right side
    389,439.90x = 96,175,336,679.15
  5. Step 5: Solve for x
    x = 96,175,336,679.15/389,439.90
  6. Step 6: Final answer
    x = 246,958.10

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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.