Home / 285,825.51-393,539.31-242,719.74

Finding the Fourth Proportional to 285,825.51, 393,539.31 and 242,719.74

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Solution

The fourth proportional to 285,825.51, 393,539.31 and 242,719.74 is: 334,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,825.51 : 393,539.31 = 242,719.74 : x
  2. Step 2: Convert to fraction form
    285,825.51/393,539.31 = 242,719.74/x
  3. Step 3: Cross multiply
    285,825.51x = 393,539.31 × 242,719.74
  4. Step 4: Simplify right side
    285,825.51x = 95,519,759,002.98
  5. Step 5: Solve for x
    x = 95,519,759,002.98/285,825.51
  6. Step 6: Final answer
    x = 334,189.06

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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.