Home / 462,968.79-694,519.73-143,145.60

Finding the Fourth Proportional to 462,968.79, 694,519.73 and 143,145.60

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Solution

The fourth proportional to 462,968.79, 694,519.73 and 143,145.60 is: 214,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,968.79 : 694,519.73 = 143,145.60 : x
  2. Step 2: Convert to fraction form
    462,968.79/694,519.73 = 143,145.60/x
  3. Step 3: Cross multiply
    462,968.79x = 694,519.73 × 143,145.60
  4. Step 4: Simplify right side
    462,968.79x = 99,417,443,462.69
  5. Step 5: Solve for x
    x = 99,417,443,462.69/462,968.79
  6. Step 6: Final answer
    x = 214,738.98

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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.