Home / 352,823.40-529,235.10-212,855.40

Finding the Fourth Proportional to 352,823.40, 529,235.10 and 212,855.40

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Solution

The fourth proportional to 352,823.40, 529,235.10 and 212,855.40 is: 319,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,823.40 : 529,235.10 = 212,855.40 : x
  2. Step 2: Convert to fraction form
    352,823.40/529,235.10 = 212,855.40/x
  3. Step 3: Cross multiply
    352,823.40x = 529,235.10 × 212,855.40
  4. Step 4: Simplify right side
    352,823.40x = 112,650,548,904.54
  5. Step 5: Solve for x
    x = 112,650,548,904.54/352,823.40
  6. Step 6: Final answer
    x = 319,283.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.