Home / 307,985.55-425,019.20-173,849.55

Finding the Fourth Proportional to 307,985.55, 425,019.20 and 173,849.55

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Solution

The fourth proportional to 307,985.55, 425,019.20 and 173,849.55 is: 239,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,985.55 : 425,019.20 = 173,849.55 : x
  2. Step 2: Convert to fraction form
    307,985.55/425,019.20 = 173,849.55/x
  3. Step 3: Cross multiply
    307,985.55x = 425,019.20 × 173,849.55
  4. Step 4: Simplify right side
    307,985.55x = 73,889,395,792.11
  5. Step 5: Solve for x
    x = 73,889,395,792.11/307,985.55
  6. Step 6: Final answer
    x = 239,911.89

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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.