Home / 370,792.24-511,719.48-209,648.84

Finding the Fourth Proportional to 370,792.24, 511,719.48 and 209,648.84

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Solution

The fourth proportional to 370,792.24, 511,719.48 and 209,648.84 is: 289,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,792.24 : 511,719.48 = 209,648.84 : x
  2. Step 2: Convert to fraction form
    370,792.24/511,719.48 = 209,648.84/x
  3. Step 3: Cross multiply
    370,792.24x = 511,719.48 × 209,648.84
  4. Step 4: Simplify right side
    370,792.24x = 107,281,395,387.40
  5. Step 5: Solve for x
    x = 107,281,395,387.40/370,792.24
  6. Step 6: Final answer
    x = 289,330.21

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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.