Home / 372,037.35-513,504.55-228,714.36

Finding the Fourth Proportional to 372,037.35, 513,504.55 and 228,714.36

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Solution

The fourth proportional to 372,037.35, 513,504.55 and 228,714.36 is: 315,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,037.35 : 513,504.55 = 228,714.36 : x
  2. Step 2: Convert to fraction form
    372,037.35/513,504.55 = 228,714.36/x
  3. Step 3: Cross multiply
    372,037.35x = 513,504.55 × 228,714.36
  4. Step 4: Simplify right side
    372,037.35x = 117,445,864,510.34
  5. Step 5: Solve for x
    x = 117,445,864,510.34/372,037.35
  6. Step 6: Final answer
    x = 315,682.99

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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.