Finding the Fourth Proportional to 215,204.67, 296,984.71 and 118,409.79
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Solution
The fourth proportional to 215,204.67, 296,984.71 and 118,409.79 is: 163,406.76
Step by Step Solution
- Step 1: Write the proportion equation
215,204.67 : 296,984.71 = 118,409.79 : x - Step 2: Convert to fraction form
215,204.67/296,984.71 = 118,409.79/x - Step 3: Cross multiply
215,204.67x = 296,984.71 × 118,409.79 - Step 4: Simplify right side
215,204.67x = 35,165,897,144.31 - Step 5: Solve for x
x = 35,165,897,144.31/215,204.67 - Step 6: Final answer
x = 163,406.76
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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.