Finding the Fourth Proportional to 324,693.60, 487,107.36 and 114,478.08
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Solution
The fourth proportional to 324,693.60, 487,107.36 and 114,478.08 is: 171,740.73
Step by Step Solution
- Step 1: Write the proportion equation
324,693.60 : 487,107.36 = 114,478.08 : x - Step 2: Convert to fraction form
324,693.60/487,107.36 = 114,478.08/x - Step 3: Cross multiply
324,693.60x = 487,107.36 × 114,478.08 - Step 4: Simplify right side
324,693.60x = 55,763,115,326.67 - Step 5: Solve for x
x = 55,763,115,326.67/324,693.60 - Step 6: Final answer
x = 171,740.73
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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.