Home / 352,822.40-529,233.60-212,854.40

Finding the Fourth Proportional to 352,822.40, 529,233.60 and 212,854.40

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Solution

The fourth proportional to 352,822.40, 529,233.60 and 212,854.40 is: 319,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,822.40 : 529,233.60 = 212,854.40 : x
  2. Step 2: Convert to fraction form
    352,822.40/529,233.60 = 212,854.40/x
  3. Step 3: Cross multiply
    352,822.40x = 529,233.60 × 212,854.40
  4. Step 4: Simplify right side
    352,822.40x = 112,649,700,387.84
  5. Step 5: Solve for x
    x = 112,649,700,387.84/352,822.40
  6. Step 6: Final answer
    x = 319,281.60

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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.