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Finding the Fourth Proportional to 404,140.39, 606,210.48 and 137,900.88

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Solution

The fourth proportional to 404,140.39, 606,210.48 and 137,900.88 is: 206,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,140.39 : 606,210.48 = 137,900.88 : x
  2. Step 2: Convert to fraction form
    404,140.39/606,210.48 = 137,900.88/x
  3. Step 3: Cross multiply
    404,140.39x = 606,210.48 × 137,900.88
  4. Step 4: Simplify right side
    404,140.39x = 83,596,958,657.22
  5. Step 5: Solve for x
    x = 83,596,958,657.22/404,140.39
  6. Step 6: Final answer
    x = 206,851.29

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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.