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Finding the Fourth Proportional to 436,758.96, 602,678.52 and 245,838

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Solution

The fourth proportional to 436,758.96, 602,678.52 and 245,838 is: 339,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,758.96 : 602,678.52 = 245,838 : x
  2. Step 2: Convert to fraction form
    436,758.96/602,678.52 = 245,838/x
  3. Step 3: Cross multiply
    436,758.96x = 602,678.52 × 245,838
  4. Step 4: Simplify right side
    436,758.96x = 148,161,281,999.76
  5. Step 5: Solve for x
    x = 148,161,281,999.76/436,758.96
  6. Step 6: Final answer
    x = 339,228.95

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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.