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Finding the Fourth Proportional to 265,589.35, 366,513.32 and 144,730.60

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Solution

The fourth proportional to 265,589.35, 366,513.32 and 144,730.60 is: 199,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,589.35 : 366,513.32 = 144,730.60 : x
  2. Step 2: Convert to fraction form
    265,589.35/366,513.32 = 144,730.60/x
  3. Step 3: Cross multiply
    265,589.35x = 366,513.32 × 144,730.60
  4. Step 4: Simplify right side
    265,589.35x = 53,045,692,711.59
  5. Step 5: Solve for x
    x = 53,045,692,711.59/265,589.35
  6. Step 6: Final answer
    x = 199,728.24

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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.