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Finding the Fourth Proportional to 264,568.74, 365,030.73 and 251,271.78

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Solution

The fourth proportional to 264,568.74, 365,030.73 and 251,271.78 is: 346,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,568.74 : 365,030.73 = 251,271.78 : x
  2. Step 2: Convert to fraction form
    264,568.74/365,030.73 = 251,271.78/x
  3. Step 3: Cross multiply
    264,568.74x = 365,030.73 × 251,271.78
  4. Step 4: Simplify right side
    264,568.74x = 91,721,921,281.80
  5. Step 5: Solve for x
    x = 91,721,921,281.80/264,568.74
  6. Step 6: Final answer
    x = 346,684.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.