Finding the Fourth Proportional to 318,904.26, 478,290.66 and 141,297.99
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Solution
The fourth proportional to 318,904.26, 478,290.66 and 141,297.99 is: 211,917.86
Step by Step Solution
- Step 1: Write the proportion equation
318,904.26 : 478,290.66 = 141,297.99 : x - Step 2: Convert to fraction form
318,904.26/478,290.66 = 141,297.99/x - Step 3: Cross multiply
318,904.26x = 478,290.66 × 141,297.99 - Step 4: Simplify right side
318,904.26x = 67,581,508,893.77 - Step 5: Solve for x
x = 67,581,508,893.77/318,904.26 - Step 6: Final answer
x = 211,917.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.