Home / 272,478.04-408,712.29-122,612.26

Finding the Fourth Proportional to 272,478.04, 408,712.29 and 122,612.26

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Solution

The fourth proportional to 272,478.04, 408,712.29 and 122,612.26 is: 183,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,478.04 : 408,712.29 = 122,612.26 : x
  2. Step 2: Convert to fraction form
    272,478.04/408,712.29 = 122,612.26/x
  3. Step 3: Cross multiply
    272,478.04x = 408,712.29 × 122,612.26
  4. Step 4: Simplify right side
    272,478.04x = 50,113,137,566.68
  5. Step 5: Solve for x
    x = 50,113,137,566.68/272,478.04
  6. Step 6: Final answer
    x = 183,916.24

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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.