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Finding the Fourth Proportional to 436,742.96, 602,656.44 and 245,822

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Solution

The fourth proportional to 436,742.96, 602,656.44 and 245,822 is: 339,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,742.96 : 602,656.44 = 245,822 : x
  2. Step 2: Convert to fraction form
    436,742.96/602,656.44 = 245,822/x
  3. Step 3: Cross multiply
    436,742.96x = 602,656.44 × 245,822
  4. Step 4: Simplify right side
    436,742.96x = 148,146,211,393.68
  5. Step 5: Solve for x
    x = 148,146,211,393.68/436,742.96
  6. Step 6: Final answer
    x = 339,206.87

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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.