Home / 343,583.04-515,366.06-133,221.02

Finding the Fourth Proportional to 343,583.04, 515,366.06 and 133,221.02

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Solution

The fourth proportional to 343,583.04, 515,366.06 and 133,221.02 is: 199,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,583.04 : 515,366.06 = 133,221.02 : x
  2. Step 2: Convert to fraction form
    343,583.04/515,366.06 = 133,221.02/x
  3. Step 3: Cross multiply
    343,583.04x = 515,366.06 × 133,221.02
  4. Step 4: Simplify right side
    343,583.04x = 68,657,592,186.58
  5. Step 5: Solve for x
    x = 68,657,592,186.58/343,583.04
  6. Step 6: Final answer
    x = 199,828.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.