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Finding the Fourth Proportional to 350,545, 483,752.10 and 189,400.10

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Solution

The fourth proportional to 350,545, 483,752.10 and 189,400.10 is: 261,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,545 : 483,752.10 = 189,400.10 : x
  2. Step 2: Convert to fraction form
    350,545/483,752.10 = 189,400.10/x
  3. Step 3: Cross multiply
    350,545x = 483,752.10 × 189,400.10
  4. Step 4: Simplify right side
    350,545x = 91,622,696,115.21
  5. Step 5: Solve for x
    x = 91,622,696,115.21/350,545
  6. Step 6: Final answer
    x = 261,372.14

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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.