Finding the Fourth Proportional to 531,216.25, 796,980.44 and 157,248.97
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Solution
The fourth proportional to 531,216.25, 796,980.44 and 157,248.97 is: 235,919.65
Step by Step Solution
- Step 1: Write the proportion equation
531,216.25 : 796,980.44 = 157,248.97 : x - Step 2: Convert to fraction form
531,216.25/796,980.44 = 157,248.97/x - Step 3: Cross multiply
531,216.25x = 796,980.44 × 157,248.97 - Step 4: Simplify right side
531,216.25x = 125,324,353,300.15 - Step 5: Solve for x
x = 125,324,353,300.15/531,216.25 - Step 6: Final answer
x = 235,919.65
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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.