Home / 352,847.40-528,656.70-228,124.20

Finding the Fourth Proportional to 352,847.40, 528,656.70 and 228,124.20

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Solution

The fourth proportional to 352,847.40, 528,656.70 and 228,124.20 is: 341,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,847.40 : 528,656.70 = 228,124.20 : x
  2. Step 2: Convert to fraction form
    352,847.40/528,656.70 = 228,124.20/x
  3. Step 3: Cross multiply
    352,847.40x = 528,656.70 × 228,124.20
  4. Step 4: Simplify right side
    352,847.40x = 120,599,386,762.14
  5. Step 5: Solve for x
    x = 120,599,386,762.14/352,847.40
  6. Step 6: Final answer
    x = 341,789.08

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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.