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Finding the Fourth Proportional to 368,260.59, 508,269.41 and 230,503.41

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Solution

The fourth proportional to 368,260.59, 508,269.41 and 230,503.41 is: 318,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,260.59 : 508,269.41 = 230,503.41 : x
  2. Step 2: Convert to fraction form
    368,260.59/508,269.41 = 230,503.41/x
  3. Step 3: Cross multiply
    368,260.59x = 508,269.41 × 230,503.41
  4. Step 4: Simplify right side
    368,260.59x = 117,157,832,203.69
  5. Step 5: Solve for x
    x = 117,157,832,203.69/368,260.59
  6. Step 6: Final answer
    x = 318,138.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.