Home / 217,740.41-300,477.33-122,247.11

Finding the Fourth Proportional to 217,740.41, 300,477.33 and 122,247.11

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Solution

The fourth proportional to 217,740.41, 300,477.33 and 122,247.11 is: 168,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740.41 : 300,477.33 = 122,247.11 : x
  2. Step 2: Convert to fraction form
    217,740.41/300,477.33 = 122,247.11/x
  3. Step 3: Cross multiply
    217,740.41x = 300,477.33 × 122,247.11
  4. Step 4: Simplify right side
    217,740.41x = 36,732,483,710.63
  5. Step 5: Solve for x
    x = 36,732,483,710.63/217,740.41
  6. Step 6: Final answer
    x = 168,698.51

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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.