Home / 409,350.08-564,899.39-228,058.72

Finding the Fourth Proportional to 409,350.08, 564,899.39 and 228,058.72

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Solution

The fourth proportional to 409,350.08, 564,899.39 and 228,058.72 is: 314,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,350.08 : 564,899.39 = 228,058.72 : x
  2. Step 2: Convert to fraction form
    409,350.08/564,899.39 = 228,058.72/x
  3. Step 3: Cross multiply
    409,350.08x = 564,899.39 × 228,058.72
  4. Step 4: Simplify right side
    409,350.08x = 128,830,231,812.18
  5. Step 5: Solve for x
    x = 128,830,231,812.18/409,350.08
  6. Step 6: Final answer
    x = 314,718.96

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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.