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Finding the Fourth Proportional to 366,645.08, 505,960.63 and 205,510.57

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Solution

The fourth proportional to 366,645.08, 505,960.63 and 205,510.57 is: 283,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,645.08 : 505,960.63 = 205,510.57 : x
  2. Step 2: Convert to fraction form
    366,645.08/505,960.63 = 205,510.57/x
  3. Step 3: Cross multiply
    366,645.08x = 505,960.63 × 205,510.57
  4. Step 4: Simplify right side
    366,645.08x = 103,980,255,690.18
  5. Step 5: Solve for x
    x = 103,980,255,690.18/366,645.08
  6. Step 6: Final answer
    x = 283,599.21

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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.