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Finding the Fourth Proportional to 234,477.99, 323,578.53 and 127,048.03

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Solution

The fourth proportional to 234,477.99, 323,578.53 and 127,048.03 is: 175,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,477.99 : 323,578.53 = 127,048.03 : x
  2. Step 2: Convert to fraction form
    234,477.99/323,578.53 = 127,048.03/x
  3. Step 3: Cross multiply
    234,477.99x = 323,578.53 × 127,048.03
  4. Step 4: Simplify right side
    234,477.99x = 41,110,013,977.85
  5. Step 5: Solve for x
    x = 41,110,013,977.85/234,477.99
  6. Step 6: Final answer
    x = 175,325.68

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1.5x scale

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.