Finding the Fourth Proportional to 156,273.66, 215,647.00 and 88,293.49
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Solution
The fourth proportional to 156,273.66, 215,647.00 and 88,293.49 is: 121,838.99
Step by Step Solution
- Step 1: Write the proportion equation
156,273.66 : 215,647.00 = 88,293.49 : x - Step 2: Convert to fraction form
156,273.66/215,647.00 = 88,293.49/x - Step 3: Cross multiply
156,273.66x = 215,647.00 × 88,293.49 - Step 4: Simplify right side
156,273.66x = 19,040,225,478.18 - Step 5: Solve for x
x = 19,040,225,478.18/156,273.66 - Step 6: Final answer
x = 121,838.99
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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.