Home / 228,452.40-315,698.04-171,765.36

Finding the Fourth Proportional to 228,452.40, 315,698.04 and 171,765.36

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Solution

The fourth proportional to 228,452.40, 315,698.04 and 171,765.36 is: 237,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,452.40 : 315,698.04 = 171,765.36 : x
  2. Step 2: Convert to fraction form
    228,452.40/315,698.04 = 171,765.36/x
  3. Step 3: Cross multiply
    228,452.40x = 315,698.04 × 171,765.36
  4. Step 4: Simplify right side
    228,452.40x = 54,225,987,491.89
  5. Step 5: Solve for x
    x = 54,225,987,491.89/228,452.40
  6. Step 6: Final answer
    x = 237,362.30

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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.