Home / 330,033.03-455,429.79-202,684.02

Finding the Fourth Proportional to 330,033.03, 455,429.79 and 202,684.02

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Solution

The fourth proportional to 330,033.03, 455,429.79 and 202,684.02 is: 279,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,033.03 : 455,429.79 = 202,684.02 : x
  2. Step 2: Convert to fraction form
    330,033.03/455,429.79 = 202,684.02/x
  3. Step 3: Cross multiply
    330,033.03x = 455,429.79 × 202,684.02
  4. Step 4: Simplify right side
    330,033.03x = 92,308,341,518.89
  5. Step 5: Solve for x
    x = 92,308,341,518.89/330,033.03
  6. Step 6: Final answer
    x = 279,694.25

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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.