Finding the Fourth Proportional to 232,286.18, 320,579.19 and 130,339.17
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Solution
The fourth proportional to 232,286.18, 320,579.19 and 130,339.17 is: 179,881.67
Step by Step Solution
- Step 1: Write the proportion equation
232,286.18 : 320,579.19 = 130,339.17 : x - Step 2: Convert to fraction form
232,286.18/320,579.19 = 130,339.17/x - Step 3: Cross multiply
232,286.18x = 320,579.19 × 130,339.17 - Step 4: Simplify right side
232,286.18x = 41,784,025,543.87 - Step 5: Solve for x
x = 41,784,025,543.87/232,286.18 - Step 6: Final answer
x = 179,881.67
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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.