Home / 216,276.31-298,469.84-124,395.45

Finding the Fourth Proportional to 216,276.31, 298,469.84 and 124,395.45

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Solution

The fourth proportional to 216,276.31, 298,469.84 and 124,395.45 is: 171,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,276.31 : 298,469.84 = 124,395.45 : x
  2. Step 2: Convert to fraction form
    216,276.31/298,469.84 = 124,395.45/x
  3. Step 3: Cross multiply
    216,276.31x = 298,469.84 × 124,395.45
  4. Step 4: Simplify right side
    216,276.31x = 37,128,288,565.88
  5. Step 5: Solve for x
    x = 37,128,288,565.88/216,276.31
  6. Step 6: Final answer
    x = 171,670.62

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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.