Home / 261,904.04-393,028.14-143,658.44

Finding the Fourth Proportional to 261,904.04, 393,028.14 and 143,658.44

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Solution

The fourth proportional to 261,904.04, 393,028.14 and 143,658.44 is: 215,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,904.04 : 393,028.14 = 143,658.44 : x
  2. Step 2: Convert to fraction form
    261,904.04/393,028.14 = 143,658.44/x
  3. Step 3: Cross multiply
    261,904.04x = 393,028.14 × 143,658.44
  4. Step 4: Simplify right side
    261,904.04x = 56,461,809,468.50
  5. Step 5: Solve for x
    x = 56,461,809,468.50/261,904.04
  6. Step 6: Final answer
    x = 215,582.05

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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.