Home / 343,628.07-515,234.88-154,054.10

Finding the Fourth Proportional to 343,628.07, 515,234.88 and 154,054.10

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Solution

The fourth proportional to 343,628.07, 515,234.88 and 154,054.10 is: 230,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,628.07 : 515,234.88 = 154,054.10 : x
  2. Step 2: Convert to fraction form
    343,628.07/515,234.88 = 154,054.10/x
  3. Step 3: Cross multiply
    343,628.07x = 515,234.88 × 154,054.10
  4. Step 4: Simplify right side
    343,628.07x = 79,374,043,150.83
  5. Step 5: Solve for x
    x = 79,374,043,150.83/343,628.07
  6. Step 6: Final answer
    x = 230,988.24

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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.