Home / 370,849.82-511,712.10-243,683.06

Finding the Fourth Proportional to 370,849.82, 511,712.10 and 243,683.06

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Solution

The fourth proportional to 370,849.82, 511,712.10 and 243,683.06 is: 336,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,849.82 : 511,712.10 = 243,683.06 : x
  2. Step 2: Convert to fraction form
    370,849.82/511,712.10 = 243,683.06/x
  3. Step 3: Cross multiply
    370,849.82x = 511,712.10 × 243,683.06
  4. Step 4: Simplify right side
    370,849.82x = 124,695,568,219.62
  5. Step 5: Solve for x
    x = 124,695,568,219.62/370,849.82
  6. Step 6: Final answer
    x = 336,242.77

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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.