Finding the Fourth Proportional to 478,655.92, 718,069.26 and 158,827
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Solution
The fourth proportional to 478,655.92, 718,069.26 and 158,827 is: 238,268.83
Step by Step Solution
- Step 1: Write the proportion equation
478,655.92 : 718,069.26 = 158,827 : x - Step 2: Convert to fraction form
478,655.92/718,069.26 = 158,827/x - Step 3: Cross multiply
478,655.92x = 718,069.26 × 158,827 - Step 4: Simplify right side
478,655.92x = 114,048,786,358.02 - Step 5: Solve for x
x = 114,048,786,358.02/478,655.92 - Step 6: Final answer
x = 238,268.83
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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.