Home / 306,996.20-423,667.83-171,030.07

Finding the Fourth Proportional to 306,996.20, 423,667.83 and 171,030.07

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Solution

The fourth proportional to 306,996.20, 423,667.83 and 171,030.07 is: 236,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,996.20 : 423,667.83 = 171,030.07 : x
  2. Step 2: Convert to fraction form
    306,996.20/423,667.83 = 171,030.07/x
  3. Step 3: Cross multiply
    306,996.20x = 423,667.83 × 171,030.07
  4. Step 4: Simplify right side
    306,996.20x = 72,459,938,621.65
  5. Step 5: Solve for x
    x = 72,459,938,621.65/306,996.20
  6. Step 6: Final answer
    x = 236,028.78

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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.