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Finding the Fourth Proportional to 404,545.20, 607,206.60 and 205,090.80

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Solution

The fourth proportional to 404,545.20, 607,206.60 and 205,090.80 is: 307,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,545.20 : 607,206.60 = 205,090.80 : x
  2. Step 2: Convert to fraction form
    404,545.20/607,206.60 = 205,090.80/x
  3. Step 3: Cross multiply
    404,545.20x = 607,206.60 × 205,090.80
  4. Step 4: Simplify right side
    404,545.20x = 124,532,487,359.28
  5. Step 5: Solve for x
    x = 124,532,487,359.28/404,545.20
  6. Step 6: Final answer
    x = 307,833.31

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1.5x scale

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.