Home / 283,036.96-390,618.62-211,292.38

Finding the Fourth Proportional to 283,036.96, 390,618.62 and 211,292.38

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Solution

The fourth proportional to 283,036.96, 390,618.62 and 211,292.38 is: 291,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,036.96 : 390,618.62 = 211,292.38 : x
  2. Step 2: Convert to fraction form
    283,036.96/390,618.62 = 211,292.38/x
  3. Step 3: Cross multiply
    283,036.96x = 390,618.62 × 211,292.38
  4. Step 4: Simplify right side
    283,036.96x = 82,534,737,892.12
  5. Step 5: Solve for x
    x = 82,534,737,892.12/283,036.96
  6. Step 6: Final answer
    x = 291,604.10

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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.