Home / 309,051.36-463,615.92-109,324.80

Finding the Fourth Proportional to 309,051.36, 463,615.92 and 109,324.80

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Solution

The fourth proportional to 309,051.36, 463,615.92 and 109,324.80 is: 164,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,051.36 : 463,615.92 = 109,324.80 : x
  2. Step 2: Convert to fraction form
    309,051.36/463,615.92 = 109,324.80/x
  3. Step 3: Cross multiply
    309,051.36x = 463,615.92 × 109,324.80
  4. Step 4: Simplify right side
    309,051.36x = 50,684,717,730.82
  5. Step 5: Solve for x
    x = 50,684,717,730.82/309,051.36
  6. Step 6: Final answer
    x = 164,000.95

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1.5x scale

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.