Home / 257,036.59-384,884.20-206,842.51

Finding the Fourth Proportional to 257,036.59, 384,884.20 and 206,842.51

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Solution

The fourth proportional to 257,036.59, 384,884.20 and 206,842.51 is: 309,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,036.59 : 384,884.20 = 206,842.51 : x
  2. Step 2: Convert to fraction form
    257,036.59/384,884.20 = 206,842.51/x
  3. Step 3: Cross multiply
    257,036.59x = 384,884.20 × 206,842.51
  4. Step 4: Simplify right side
    257,036.59x = 79,610,411,028.71
  5. Step 5: Solve for x
    x = 79,610,411,028.71/257,036.59
  6. Step 6: Final answer
    x = 309,724.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.