Home / 309,177.21-462,732.45-176,021.72

Finding the Fourth Proportional to 309,177.21, 462,732.45 and 176,021.72

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Solution

The fourth proportional to 309,177.21, 462,732.45 and 176,021.72 is: 263,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,177.21 : 462,732.45 = 176,021.72 : x
  2. Step 2: Convert to fraction form
    309,177.21/462,732.45 = 176,021.72/x
  3. Step 3: Cross multiply
    309,177.21x = 462,732.45 × 176,021.72
  4. Step 4: Simplify right side
    309,177.21x = 81,450,961,748.81
  5. Step 5: Solve for x
    x = 81,450,961,748.81/309,177.21
  6. Step 6: Final answer
    x = 263,444.26

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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.