Finding the Fourth Proportional to 478,918.00, 718,168.79 and 137,286.19
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Solution
The fourth proportional to 478,918.00, 718,168.79 and 137,286.19 is: 205,869.59
Step by Step Solution
- Step 1: Write the proportion equation
478,918.00 : 718,168.79 = 137,286.19 : x - Step 2: Convert to fraction form
478,918.00/718,168.79 = 137,286.19/x - Step 3: Cross multiply
478,918.00x = 718,168.79 × 137,286.19 - Step 4: Simplify right side
478,918.00x = 98,594,653,365.17 - Step 5: Solve for x
x = 98,594,653,365.17/478,918.00 - Step 6: Final answer
x = 205,869.59
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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.