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Finding the Fourth Proportional to 540,170.94, 810,256.78 and 140,810.70

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Solution

The fourth proportional to 540,170.94, 810,256.78 and 140,810.70 is: 211,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,170.94 : 810,256.78 = 140,810.70 : x
  2. Step 2: Convert to fraction form
    540,170.94/810,256.78 = 140,810.70/x
  3. Step 3: Cross multiply
    540,170.94x = 810,256.78 × 140,810.70
  4. Step 4: Simplify right side
    540,170.94x = 114,092,824,371.55
  5. Step 5: Solve for x
    x = 114,092,824,371.55/540,170.94
  6. Step 6: Final answer
    x = 211,216.15

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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.