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Finding the Fourth Proportional to 371,209.76, 512,004.83 and 340,681.25

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Solution

The fourth proportional to 371,209.76, 512,004.83 and 340,681.25 is: 469,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,209.76 : 512,004.83 = 340,681.25 : x
  2. Step 2: Convert to fraction form
    371,209.76/512,004.83 = 340,681.25/x
  3. Step 3: Cross multiply
    371,209.76x = 512,004.83 × 340,681.25
  4. Step 4: Simplify right side
    371,209.76x = 174,430,445,067.04
  5. Step 5: Solve for x
    x = 174,430,445,067.04/371,209.76
  6. Step 6: Final answer
    x = 469,897.26

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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.