Home / 297,433.30-445,238.70-163,904.80

Finding the Fourth Proportional to 297,433.30, 445,238.70 and 163,904.80

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Solution

The fourth proportional to 297,433.30, 445,238.70 and 163,904.80 is: 245,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,433.30 : 445,238.70 = 163,904.80 : x
  2. Step 2: Convert to fraction form
    297,433.30/445,238.70 = 163,904.80/x
  3. Step 3: Cross multiply
    297,433.30x = 445,238.70 × 163,904.80
  4. Step 4: Simplify right side
    297,433.30x = 72,976,760,075.76
  5. Step 5: Solve for x
    x = 72,976,760,075.76/297,433.30
  6. Step 6: Final answer
    x = 245,355.04

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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.