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Finding the Fourth Proportional to 540,080.80, 810,140.64 and 203,090.56

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Solution

The fourth proportional to 540,080.80, 810,140.64 and 203,090.56 is: 304,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,080.80 : 810,140.64 = 203,090.56 : x
  2. Step 2: Convert to fraction form
    540,080.80/810,140.64 = 203,090.56/x
  3. Step 3: Cross multiply
    540,080.80x = 810,140.64 × 203,090.56
  4. Step 4: Simplify right side
    540,080.80x = 164,531,916,256.36
  5. Step 5: Solve for x
    x = 164,531,916,256.36/540,080.80
  6. Step 6: Final answer
    x = 304,643.15

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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.