Home / 306,132.04-422,470.02-168,309.28

Finding the Fourth Proportional to 306,132.04, 422,470.02 and 168,309.28

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Solution

The fourth proportional to 306,132.04, 422,470.02 and 168,309.28 is: 232,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,132.04 : 422,470.02 = 168,309.28 : x
  2. Step 2: Convert to fraction form
    306,132.04/422,470.02 = 168,309.28/x
  3. Step 3: Cross multiply
    306,132.04x = 422,470.02 × 168,309.28
  4. Step 4: Simplify right side
    306,132.04x = 71,105,624,887.79
  5. Step 5: Solve for x
    x = 71,105,624,887.79/306,132.04
  6. Step 6: Final answer
    x = 232,271.10

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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.