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Finding the Fourth Proportional to 371,225.25, 512,026.17 and 340,696.72

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Solution

The fourth proportional to 371,225.25, 512,026.17 and 340,696.72 is: 469,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,225.25 : 512,026.17 = 340,696.72 : x
  2. Step 2: Convert to fraction form
    371,225.25/512,026.17 = 340,696.72/x
  3. Step 3: Cross multiply
    371,225.25x = 512,026.17 × 340,696.72
  4. Step 4: Simplify right side
    371,225.25x = 174,445,636,673.16
  5. Step 5: Solve for x
    x = 174,445,636,673.16/371,225.25
  6. Step 6: Final answer
    x = 469,918.56

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1.5x scale

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.