Home / 373,256.40-515,091.24-212,098.80

Finding the Fourth Proportional to 373,256.40, 515,091.24 and 212,098.80

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Solution

The fourth proportional to 373,256.40, 515,091.24 and 212,098.80 is: 292,694.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,256.40 : 515,091.24 = 212,098.80 : x
  2. Step 2: Convert to fraction form
    373,256.40/515,091.24 = 212,098.80/x
  3. Step 3: Cross multiply
    373,256.40x = 515,091.24 × 212,098.80
  4. Step 4: Simplify right side
    373,256.40x = 109,250,233,894.51
  5. Step 5: Solve for x
    x = 109,250,233,894.51/373,256.40
  6. Step 6: Final answer
    x = 292,694.87

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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.