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Finding the Fourth Proportional to 357,993.14, 494,028.77 and 210,903.39

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Solution

The fourth proportional to 357,993.14, 494,028.77 and 210,903.39 is: 291,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,993.14 : 494,028.77 = 210,903.39 : x
  2. Step 2: Convert to fraction form
    357,993.14/494,028.77 = 210,903.39/x
  3. Step 3: Cross multiply
    357,993.14x = 494,028.77 × 210,903.39
  4. Step 4: Simplify right side
    357,993.14x = 104,192,341,296.01
  5. Step 5: Solve for x
    x = 104,192,341,296.01/357,993.14
  6. Step 6: Final answer
    x = 291,045.64

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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.