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Finding the Fourth Proportional to 404,231.60, 606,347.40 and 297,943.40

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Solution

The fourth proportional to 404,231.60, 606,347.40 and 297,943.40 is: 446,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,231.60 : 606,347.40 = 297,943.40 : x
  2. Step 2: Convert to fraction form
    404,231.60/606,347.40 = 297,943.40/x
  3. Step 3: Cross multiply
    404,231.60x = 606,347.40 × 297,943.40
  4. Step 4: Simplify right side
    404,231.60x = 180,657,205,937.16
  5. Step 5: Solve for x
    x = 180,657,205,937.16/404,231.60
  6. Step 6: Final answer
    x = 446,915.10

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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.