Home / 455,916.27-684,071.25-245,512.29

Finding the Fourth Proportional to 455,916.27, 684,071.25 and 245,512.29

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Solution

The fourth proportional to 455,916.27, 684,071.25 and 245,512.29 is: 368,374.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,916.27 : 684,071.25 = 245,512.29 : x
  2. Step 2: Convert to fraction form
    455,916.27/684,071.25 = 245,512.29/x
  3. Step 3: Cross multiply
    455,916.27x = 684,071.25 × 245,512.29
  4. Step 4: Simplify right side
    455,916.27x = 167,947,899,110.66
  5. Step 5: Solve for x
    x = 167,947,899,110.66/455,916.27
  6. Step 6: Final answer
    x = 368,374.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.