Home / 382,885.25-528,372.59-213,115.73

Finding the Fourth Proportional to 382,885.25, 528,372.59 and 213,115.73

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Solution

The fourth proportional to 382,885.25, 528,372.59 and 213,115.73 is: 294,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,885.25 : 528,372.59 = 213,115.73 : x
  2. Step 2: Convert to fraction form
    382,885.25/528,372.59 = 213,115.73/x
  3. Step 3: Cross multiply
    382,885.25x = 528,372.59 × 213,115.73
  4. Step 4: Simplify right side
    382,885.25x = 112,604,506,522.40
  5. Step 5: Solve for x
    x = 112,604,506,522.40/382,885.25
  6. Step 6: Final answer
    x = 294,094.66

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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.