Home / 383,155.33-528,770.76-213,389.46

Finding the Fourth Proportional to 383,155.33, 528,770.76 and 213,389.46

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Solution

The fourth proportional to 383,155.33, 528,770.76 and 213,389.46 is: 294,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,155.33 : 528,770.76 = 213,389.46 : x
  2. Step 2: Convert to fraction form
    383,155.33/528,770.76 = 213,389.46/x
  3. Step 3: Cross multiply
    383,155.33x = 528,770.76 × 213,389.46
  4. Step 4: Simplify right side
    383,155.33x = 112,834,106,940.19
  5. Step 5: Solve for x
    x = 112,834,106,940.19/383,155.33
  6. Step 6: Final answer
    x = 294,486.59

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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.