Home / 201,210.80-301,816.20-198,258.35

Finding the Fourth Proportional to 201,210.80, 301,816.20 and 198,258.35

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Solution

The fourth proportional to 201,210.80, 301,816.20 and 198,258.35 is: 297,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,210.80 : 301,816.20 = 198,258.35 : x
  2. Step 2: Convert to fraction form
    201,210.80/301,816.20 = 198,258.35/x
  3. Step 3: Cross multiply
    201,210.80x = 301,816.20 × 198,258.35
  4. Step 4: Simplify right side
    201,210.80x = 59,837,581,815.27
  5. Step 5: Solve for x
    x = 59,837,581,815.27/201,210.80
  6. Step 6: Final answer
    x = 297,387.53

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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.