Finding the Fourth Proportional to 215,146.96, 296,910.12 and 118,355.08
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Solution
The fourth proportional to 215,146.96, 296,910.12 and 118,355.08 is: 163,334.03
Step by Step Solution
- Step 1: Write the proportion equation
215,146.96 : 296,910.12 = 118,355.08 : x - Step 2: Convert to fraction form
215,146.96/296,910.12 = 118,355.08/x - Step 3: Cross multiply
215,146.96x = 296,910.12 × 118,355.08 - Step 4: Simplify right side
215,146.96x = 35,140,821,005.41 - Step 5: Solve for x
x = 35,140,821,005.41/215,146.96 - Step 6: Final answer
x = 163,334.03
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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.