Home / 358,152.12-493,996.80-304,065

Finding the Fourth Proportional to 358,152.12, 493,996.80 and 304,065

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Solution

The fourth proportional to 358,152.12, 493,996.80 and 304,065 is: 419,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,152.12 : 493,996.80 = 304,065 : x
  2. Step 2: Convert to fraction form
    358,152.12/493,996.80 = 304,065/x
  3. Step 3: Cross multiply
    358,152.12x = 493,996.80 × 304,065
  4. Step 4: Simplify right side
    358,152.12x = 150,207,136,992
  5. Step 5: Solve for x
    x = 150,207,136,992/358,152.12
  6. Step 6: Final answer
    x = 419,394.80

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1.5x scale

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.