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Finding the Fourth Proportional to 114,346.61, 171,520.29 and 28,957.42

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Solution

The fourth proportional to 114,346.61, 171,520.29 and 28,957.42 is: 43,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,346.61 : 171,520.29 = 28,957.42 : x
  2. Step 2: Convert to fraction form
    114,346.61/171,520.29 = 28,957.42/x
  3. Step 3: Cross multiply
    114,346.61x = 171,520.29 × 28,957.42
  4. Step 4: Simplify right side
    114,346.61x = 4,966,784,538.66
  5. Step 5: Solve for x
    x = 4,966,784,538.66/114,346.61
  6. Step 6: Final answer
    x = 43,436.22

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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.