Home / 306,110.45-422,026.60-251,457.32

Finding the Fourth Proportional to 306,110.45, 422,026.60 and 251,457.32

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Solution

The fourth proportional to 306,110.45, 422,026.60 and 251,457.32 is: 346,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,110.45 : 422,026.60 = 251,457.32 : x
  2. Step 2: Convert to fraction form
    306,110.45/422,026.60 = 251,457.32/x
  3. Step 3: Cross multiply
    306,110.45x = 422,026.60 × 251,457.32
  4. Step 4: Simplify right side
    306,110.45x = 106,121,677,804.71
  5. Step 5: Solve for x
    x = 106,121,677,804.71/306,110.45
  6. Step 6: Final answer
    x = 346,677.74

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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.