Home / 309,029.90-463,429.65-122,002.70

Finding the Fourth Proportional to 309,029.90, 463,429.65 and 122,002.70

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Solution

The fourth proportional to 309,029.90, 463,429.65 and 122,002.70 is: 182,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,029.90 : 463,429.65 = 122,002.70 : x
  2. Step 2: Convert to fraction form
    309,029.90/463,429.65 = 122,002.70/x
  3. Step 3: Cross multiply
    309,029.90x = 463,429.65 × 122,002.70
  4. Step 4: Simplify right side
    309,029.90x = 56,539,668,560.06
  5. Step 5: Solve for x
    x = 56,539,668,560.06/309,029.90
  6. Step 6: Final answer
    x = 182,958.57

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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.