Finding the Fourth Proportional to 232,360.24, 320,643.84 and 128,989.12
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Solution
The fourth proportional to 232,360.24, 320,643.84 and 128,989.12 is: 177,997.61
Step by Step Solution
- Step 1: Write the proportion equation
232,360.24 : 320,643.84 = 128,989.12 : x - Step 2: Convert to fraction form
232,360.24/320,643.84 = 128,989.12/x - Step 3: Cross multiply
232,360.24x = 320,643.84 × 128,989.12 - Step 4: Simplify right side
232,360.24x = 41,359,566,755.02 - Step 5: Solve for x
x = 41,359,566,755.02/232,360.24 - Step 6: Final answer
x = 177,997.61
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1.5x scale
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.