Home / 383,264.12-528,870.18-213,494.60

Finding the Fourth Proportional to 383,264.12, 528,870.18 and 213,494.60

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Solution

The fourth proportional to 383,264.12, 528,870.18 and 213,494.60 is: 294,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,264.12 : 528,870.18 = 213,494.60 : x
  2. Step 2: Convert to fraction form
    383,264.12/528,870.18 = 213,494.60/x
  3. Step 3: Cross multiply
    383,264.12x = 528,870.18 × 213,494.60
  4. Step 4: Simplify right side
    383,264.12x = 112,910,927,531.03
  5. Step 5: Solve for x
    x = 112,910,927,531.03/383,264.12
  6. Step 6: Final answer
    x = 294,603.44

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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.