Finding the Fourth Proportional to 147,049.24, 202,945.98 and 86,616.76
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Solution
The fourth proportional to 147,049.24, 202,945.98 and 86,616.76 is: 119,541.75
Step by Step Solution
- Step 1: Write the proportion equation
147,049.24 : 202,945.98 = 86,616.76 : x - Step 2: Convert to fraction form
147,049.24/202,945.98 = 86,616.76/x - Step 3: Cross multiply
147,049.24x = 202,945.98 × 86,616.76 - Step 4: Simplify right side
147,049.24x = 17,578,523,242.62 - Step 5: Solve for x
x = 17,578,523,242.62/147,049.24 - Step 6: Final answer
x = 119,541.75
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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.