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Finding the Fourth Proportional to 540,084.80, 810,146.64 and 203,094.56

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Solution

The fourth proportional to 540,084.80, 810,146.64 and 203,094.56 is: 304,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,084.80 : 810,146.64 = 203,094.56 : x
  2. Step 2: Convert to fraction form
    540,084.80/810,146.64 = 203,094.56/x
  3. Step 3: Cross multiply
    540,084.80x = 810,146.64 × 203,094.56
  4. Step 4: Simplify right side
    540,084.80x = 164,536,375,386.28
  5. Step 5: Solve for x
    x = 164,536,375,386.28/540,084.80
  6. Step 6: Final answer
    x = 304,649.15

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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.