Home / 361,452.12-498,823.90-200,303.80

Finding the Fourth Proportional to 361,452.12, 498,823.90 and 200,303.80

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Solution

The fourth proportional to 361,452.12, 498,823.90 and 200,303.80 is: 276,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,452.12 : 498,823.90 = 200,303.80 : x
  2. Step 2: Convert to fraction form
    361,452.12/498,823.90 = 200,303.80/x
  3. Step 3: Cross multiply
    361,452.12x = 498,823.90 × 200,303.80
  4. Step 4: Simplify right side
    361,452.12x = 99,916,322,700.82
  5. Step 5: Solve for x
    x = 99,916,322,700.82/361,452.12
  6. Step 6: Final answer
    x = 276,430.31

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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.