Home / 409,484.36-565,088.96-228,192.30

Finding the Fourth Proportional to 409,484.36, 565,088.96 and 228,192.30

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Solution

The fourth proportional to 409,484.36, 565,088.96 and 228,192.30 is: 314,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,484.36 : 565,088.96 = 228,192.30 : x
  2. Step 2: Convert to fraction form
    409,484.36/565,088.96 = 228,192.30/x
  3. Step 3: Cross multiply
    409,484.36x = 565,088.96 × 228,192.30
  4. Step 4: Simplify right side
    409,484.36x = 128,948,948,346.05
  5. Step 5: Solve for x
    x = 128,948,948,346.05/409,484.36
  6. Step 6: Final answer
    x = 314,905.68

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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.