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Finding the Fourth Proportional to 560,845.60, 840,961.20 and 228,045.60

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Solution

The fourth proportional to 560,845.60, 840,961.20 and 228,045.60 is: 341,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,845.60 : 840,961.20 = 228,045.60 : x
  2. Step 2: Convert to fraction form
    560,845.60/840,961.20 = 228,045.60/x
  3. Step 3: Cross multiply
    560,845.60x = 840,961.20 × 228,045.60
  4. Step 4: Simplify right side
    560,845.60x = 191,777,501,430.72
  5. Step 5: Solve for x
    x = 191,777,501,430.72/560,845.60
  6. Step 6: Final answer
    x = 341,943.49

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1.5x scale

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.