Finding the Fourth Proportional to 613,724.87, 920,686.49 and 181,486.19
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Solution
The fourth proportional to 613,724.87, 920,686.49 and 181,486.19 is: 272,258.61
Step by Step Solution
- Step 1: Write the proportion equation
613,724.87 : 920,686.49 = 181,486.19 : x - Step 2: Convert to fraction form
613,724.87/920,686.49 = 181,486.19/x - Step 3: Cross multiply
613,724.87x = 920,686.49 × 181,486.19 - Step 4: Simplify right side
613,724.87x = 167,091,882,347.14 - Step 5: Solve for x
x = 167,091,882,347.14/613,724.87 - Step 6: Final answer
x = 272,258.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.