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Finding the Fourth Proportional to 659,950.36, 910,732.10 and 358,144.36

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Solution

The fourth proportional to 659,950.36, 910,732.10 and 358,144.36 is: 494,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,950.36 : 910,732.10 = 358,144.36 : x
  2. Step 2: Convert to fraction form
    659,950.36/910,732.10 = 358,144.36/x
  3. Step 3: Cross multiply
    659,950.36x = 910,732.10 × 358,144.36
  4. Step 4: Simplify right side
    659,950.36x = 326,173,565,085.96
  5. Step 5: Solve for x
    x = 326,173,565,085.96/659,950.36
  6. Step 6: Final answer
    x = 494,239.54

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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.