Home / 330,035.73-455,437.13-179,129.49

Finding the Fourth Proportional to 330,035.73, 455,437.13 and 179,129.49

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Solution

The fourth proportional to 330,035.73, 455,437.13 and 179,129.49 is: 247,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,035.73 : 455,437.13 = 179,129.49 : x
  2. Step 2: Convert to fraction form
    330,035.73/455,437.13 = 179,129.49/x
  3. Step 3: Cross multiply
    330,035.73x = 455,437.13 × 179,129.49
  4. Step 4: Simplify right side
    330,035.73x = 81,582,219,928.32
  5. Step 5: Solve for x
    x = 81,582,219,928.32/330,035.73
  6. Step 6: Final answer
    x = 247,192.08

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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.