Finding the Fourth Proportional to 232,312.15, 320,703.42 and 155,803.26
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Solution
The fourth proportional to 232,312.15, 320,703.42 and 155,803.26 is: 215,084.05
Step by Step Solution
- Step 1: Write the proportion equation
232,312.15 : 320,703.42 = 155,803.26 : x - Step 2: Convert to fraction form
232,312.15/320,703.42 = 155,803.26/x - Step 3: Cross multiply
232,312.15x = 320,703.42 × 155,803.26 - Step 4: Simplify right side
232,312.15x = 49,966,637,550.13 - Step 5: Solve for x
x = 49,966,637,550.13/232,312.15 - Step 6: Final answer
x = 215,084.05
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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.