Finding the Fourth Proportional to 229,362.68, 316,545.62 and 131,254.99
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Solution
The fourth proportional to 229,362.68, 316,545.62 and 131,254.99 is: 181,146.25
Step by Step Solution
- Step 1: Write the proportion equation
229,362.68 : 316,545.62 = 131,254.99 : x - Step 2: Convert to fraction form
229,362.68/316,545.62 = 131,254.99/x - Step 3: Cross multiply
229,362.68x = 316,545.62 × 131,254.99 - Step 4: Simplify right side
229,362.68x = 41,548,190,740.00 - Step 5: Solve for x
x = 41,548,190,740.00/229,362.68 - Step 6: Final answer
x = 181,146.25
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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.