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Finding the Fourth Proportional to 540,268.66, 810,437.55 and 207,844.66

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Solution

The fourth proportional to 540,268.66, 810,437.55 and 207,844.66 is: 311,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,268.66 : 810,437.55 = 207,844.66 : x
  2. Step 2: Convert to fraction form
    540,268.66/810,437.55 = 207,844.66/x
  3. Step 3: Cross multiply
    540,268.66x = 810,437.55 × 207,844.66
  4. Step 4: Simplify right side
    540,268.66x = 168,445,117,030.98
  5. Step 5: Solve for x
    x = 168,445,117,030.98/540,268.66
  6. Step 6: Final answer
    x = 311,780.29

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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.