Finding the Fourth Proportional to 232,509.52, 320,960.64 and 157,160.08
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Solution
The fourth proportional to 232,509.52, 320,960.64 and 157,160.08 is: 216,946.82
Step by Step Solution
- Step 1: Write the proportion equation
232,509.52 : 320,960.64 = 157,160.08 : x - Step 2: Convert to fraction form
232,509.52/320,960.64 = 157,160.08/x - Step 3: Cross multiply
232,509.52x = 320,960.64 × 157,160.08 - Step 4: Simplify right side
232,509.52x = 50,442,199,859.25 - Step 5: Solve for x
x = 50,442,199,859.25/232,509.52 - Step 6: Final answer
x = 216,946.82
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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.