Home / 409,447.16-565,031.22-228,166.70

Finding the Fourth Proportional to 409,447.16, 565,031.22 and 228,166.70

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Solution

The fourth proportional to 409,447.16, 565,031.22 and 228,166.70 is: 314,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,447.16 : 565,031.22 = 228,166.70 : x
  2. Step 2: Convert to fraction form
    409,447.16/565,031.22 = 228,166.70/x
  3. Step 3: Cross multiply
    409,447.16x = 565,031.22 × 228,166.70
  4. Step 4: Simplify right side
    409,447.16x = 128,921,308,864.37
  5. Step 5: Solve for x
    x = 128,921,308,864.37/409,447.16
  6. Step 6: Final answer
    x = 314,866.78

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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.