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Finding the Fourth Proportional to 490,341.60, 735,512.40 and 174,808.80

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Solution

The fourth proportional to 490,341.60, 735,512.40 and 174,808.80 is: 262,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,341.60 : 735,512.40 = 174,808.80 : x
  2. Step 2: Convert to fraction form
    490,341.60/735,512.40 = 174,808.80/x
  3. Step 3: Cross multiply
    490,341.60x = 735,512.40 × 174,808.80
  4. Step 4: Simplify right side
    490,341.60x = 128,574,040,029.12
  5. Step 5: Solve for x
    x = 128,574,040,029.12/490,341.60
  6. Step 6: Final answer
    x = 262,213.20

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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.