Home / 383,314.61-528,974.89-230,355.14

Finding the Fourth Proportional to 383,314.61, 528,974.89 and 230,355.14

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Solution

The fourth proportional to 383,314.61, 528,974.89 and 230,355.14 is: 317,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,314.61 : 528,974.89 = 230,355.14 : x
  2. Step 2: Convert to fraction form
    383,314.61/528,974.89 = 230,355.14/x
  3. Step 3: Cross multiply
    383,314.61x = 528,974.89 × 230,355.14
  4. Step 4: Simplify right side
    383,314.61x = 121,852,081,621.67
  5. Step 5: Solve for x
    x = 121,852,081,621.67/383,314.61
  6. Step 6: Final answer
    x = 317,890.52

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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.