Home / 383,235.02-528,869.40-213,469.10

Finding the Fourth Proportional to 383,235.02, 528,869.40 and 213,469.10

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Solution

The fourth proportional to 383,235.02, 528,869.40 and 213,469.10 is: 294,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,235.02 : 528,869.40 = 213,469.10 : x
  2. Step 2: Convert to fraction form
    383,235.02/528,869.40 = 213,469.10/x
  3. Step 3: Cross multiply
    383,235.02x = 528,869.40 × 213,469.10
  4. Step 4: Simplify right side
    383,235.02x = 112,897,274,835.54
  5. Step 5: Solve for x
    x = 112,897,274,835.54/383,235.02
  6. Step 6: Final answer
    x = 294,590.18

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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.