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Finding the Fourth Proportional to 490,350.40, 735,525.60 and 190,844.80

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Solution

The fourth proportional to 490,350.40, 735,525.60 and 190,844.80 is: 286,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,350.40 : 735,525.60 = 190,844.80 : x
  2. Step 2: Convert to fraction form
    490,350.40/735,525.60 = 190,844.80/x
  3. Step 3: Cross multiply
    490,350.40x = 735,525.60 × 190,844.80
  4. Step 4: Simplify right side
    490,350.40x = 140,371,236,026.88
  5. Step 5: Solve for x
    x = 140,371,236,026.88/490,350.40
  6. Step 6: Final answer
    x = 286,267.20

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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.