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Finding the Fourth Proportional to 493,000.80, 739,498.80 and 193,269.60

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Solution

The fourth proportional to 493,000.80, 739,498.80 and 193,269.60 is: 289,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,000.80 : 739,498.80 = 193,269.60 : x
  2. Step 2: Convert to fraction form
    493,000.80/739,498.80 = 193,269.60/x
  3. Step 3: Cross multiply
    493,000.80x = 739,498.80 × 193,269.60
  4. Step 4: Simplify right side
    493,000.80x = 142,922,637,276.48
  5. Step 5: Solve for x
    x = 142,922,637,276.48/493,000.80
  6. Step 6: Final answer
    x = 289,903.46

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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.