Home / 332,643.60-498,965.40-199,933.20

Finding the Fourth Proportional to 332,643.60, 498,965.40 and 199,933.20

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Solution

The fourth proportional to 332,643.60, 498,965.40 and 199,933.20 is: 299,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,643.60 : 498,965.40 = 199,933.20 : x
  2. Step 2: Convert to fraction form
    332,643.60/498,965.40 = 199,933.20/x
  3. Step 3: Cross multiply
    332,643.60x = 498,965.40 × 199,933.20
  4. Step 4: Simplify right side
    332,643.60x = 99,759,749,111.28
  5. Step 5: Solve for x
    x = 99,759,749,111.28/332,643.60
  6. Step 6: Final answer
    x = 299,899.80

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1.5x scale

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.