Home / 490,131.20-735,196.80-174,598.40

Finding the Fourth Proportional to 490,131.20, 735,196.80 and 174,598.40

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Solution

The fourth proportional to 490,131.20, 735,196.80 and 174,598.40 is: 261,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,131.20 : 735,196.80 = 174,598.40 : x
  2. Step 2: Convert to fraction form
    490,131.20/735,196.80 = 174,598.40/x
  3. Step 3: Cross multiply
    490,131.20x = 735,196.80 × 174,598.40
  4. Step 4: Simplify right side
    490,131.20x = 128,364,184,965.12
  5. Step 5: Solve for x
    x = 128,364,184,965.12/490,131.20
  6. Step 6: Final answer
    x = 261,897.60

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Similar ratio
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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.