Home / 415,260.60-623,582.10-228,406.20

Finding the Fourth Proportional to 415,260.60, 623,582.10 and 228,406.20

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Solution

The fourth proportional to 415,260.60, 623,582.10 and 228,406.20 is: 342,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,260.60 : 623,582.10 = 228,406.20 : x
  2. Step 2: Convert to fraction form
    415,260.60/623,582.10 = 228,406.20/x
  3. Step 3: Cross multiply
    415,260.60x = 623,582.10 × 228,406.20
  4. Step 4: Simplify right side
    415,260.60x = 142,430,017,849.02
  5. Step 5: Solve for x
    x = 142,430,017,849.02/415,260.60
  6. Step 6: Final answer
    x = 342,989.48

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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.