Home / 217,740.02-300,476.79-122,246.69

Finding the Fourth Proportional to 217,740.02, 300,476.79 and 122,246.69

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Solution

The fourth proportional to 217,740.02, 300,476.79 and 122,246.69 is: 168,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740.02 : 300,476.79 = 122,246.69 : x
  2. Step 2: Convert to fraction form
    217,740.02/300,476.79 = 122,246.69/x
  3. Step 3: Cross multiply
    217,740.02x = 300,476.79 × 122,246.69
  4. Step 4: Simplify right side
    217,740.02x = 36,732,291,496.94
  5. Step 5: Solve for x
    x = 36,732,291,496.94/217,740.02
  6. Step 6: Final answer
    x = 168,697.94

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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.