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Finding the Fourth Proportional to 286,567.93, 395,467.32 and 157,520.49

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Solution

The fourth proportional to 286,567.93, 395,467.32 and 157,520.49 is: 217,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,567.93 : 395,467.32 = 157,520.49 : x
  2. Step 2: Convert to fraction form
    286,567.93/395,467.32 = 157,520.49/x
  3. Step 3: Cross multiply
    286,567.93x = 395,467.32 × 157,520.49
  4. Step 4: Simplify right side
    286,567.93x = 62,294,206,025.39
  5. Step 5: Solve for x
    x = 62,294,206,025.39/286,567.93
  6. Step 6: Final answer
    x = 217,380.24

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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.