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Finding the Fourth Proportional to 198,002.80, 296,566.80 and 153,485.20

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Solution

The fourth proportional to 198,002.80, 296,566.80 and 153,485.20 is: 229,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,002.80 : 296,566.80 = 153,485.20 : x
  2. Step 2: Convert to fraction form
    198,002.80/296,566.80 = 153,485.20/x
  3. Step 3: Cross multiply
    198,002.80x = 296,566.80 × 153,485.20
  4. Step 4: Simplify right side
    198,002.80x = 45,518,614,611.36
  5. Step 5: Solve for x
    x = 45,518,614,611.36/198,002.80
  6. Step 6: Final answer
    x = 229,888.74

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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.