Home / 353,125.60-529,688.40-324,095.20

Finding the Fourth Proportional to 353,125.60, 529,688.40 and 324,095.20

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Solution

The fourth proportional to 353,125.60, 529,688.40 and 324,095.20 is: 486,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,125.60 : 529,688.40 = 324,095.20 : x
  2. Step 2: Convert to fraction form
    353,125.60/529,688.40 = 324,095.20/x
  3. Step 3: Cross multiply
    353,125.60x = 529,688.40 × 324,095.20
  4. Step 4: Simplify right side
    353,125.60x = 171,669,467,935.68
  5. Step 5: Solve for x
    x = 171,669,467,935.68/353,125.60
  6. Step 6: Final answer
    x = 486,142.80

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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.