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Finding the Fourth Proportional to 540,256.66, 810,416.69 and 203,300.18

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Solution

The fourth proportional to 540,256.66, 810,416.69 and 203,300.18 is: 304,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,256.66 : 810,416.69 = 203,300.18 : x
  2. Step 2: Convert to fraction form
    540,256.66/810,416.69 = 203,300.18/x
  3. Step 3: Cross multiply
    540,256.66x = 810,416.69 × 203,300.18
  4. Step 4: Simplify right side
    540,256.66x = 164,757,858,828.42
  5. Step 5: Solve for x
    x = 164,757,858,828.42/540,256.66
  6. Step 6: Final answer
    x = 304,962.20

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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.