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Finding the Fourth Proportional to 436,785.90, 602,739.27 and 245,787.90

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Solution

The fourth proportional to 436,785.90, 602,739.27 and 245,787.90 is: 339,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,785.90 : 602,739.27 = 245,787.90 : x
  2. Step 2: Convert to fraction form
    436,785.90/602,739.27 = 245,787.90/x
  3. Step 3: Cross multiply
    436,785.90x = 602,739.27 × 245,787.90
  4. Step 4: Simplify right side
    436,785.90x = 148,146,019,420.83
  5. Step 5: Solve for x
    x = 148,146,019,420.83/436,785.90
  6. Step 6: Final answer
    x = 339,173.08

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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.