Home / 330,849.36-456,645.60-201,816.36

Finding the Fourth Proportional to 330,849.36, 456,645.60 and 201,816.36

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Solution

The fourth proportional to 330,849.36, 456,645.60 and 201,816.36 is: 278,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,849.36 : 456,645.60 = 201,816.36 : x
  2. Step 2: Convert to fraction form
    330,849.36/456,645.60 = 201,816.36/x
  3. Step 3: Cross multiply
    330,849.36x = 456,645.60 × 201,816.36
  4. Step 4: Simplify right side
    330,849.36x = 92,158,552,802.02
  5. Step 5: Solve for x
    x = 92,158,552,802.02/330,849.36
  6. Step 6: Final answer
    x = 278,551.40

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1.5x scale

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.