Home / 407,664.18-611,736.84-155,157.24

Finding the Fourth Proportional to 407,664.18, 611,736.84 and 155,157.24

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Solution

The fourth proportional to 407,664.18, 611,736.84 and 155,157.24 is: 232,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,664.18 : 611,736.84 = 155,157.24 : x
  2. Step 2: Convert to fraction form
    407,664.18/611,736.84 = 155,157.24/x
  3. Step 3: Cross multiply
    407,664.18x = 611,736.84 × 155,157.24
  4. Step 4: Simplify right side
    407,664.18x = 94,915,399,700.72
  5. Step 5: Solve for x
    x = 94,915,399,700.72/407,664.18
  6. Step 6: Final answer
    x = 232,827.42

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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.