Finding the Fourth Proportional to 232,194.68, 320,432.28 and 130,242.78
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Solution
The fourth proportional to 232,194.68, 320,432.28 and 130,242.78 is: 179,737.07
Step by Step Solution
- Step 1: Write the proportion equation
232,194.68 : 320,432.28 = 130,242.78 : x - Step 2: Convert to fraction form
232,194.68/320,432.28 = 130,242.78/x - Step 3: Cross multiply
232,194.68x = 320,432.28 × 130,242.78 - Step 4: Simplify right side
232,194.68x = 41,733,990,948.94 - Step 5: Solve for x
x = 41,733,990,948.94/232,194.68 - Step 6: Final answer
x = 179,737.07
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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.