Finding the Fourth Proportional to 611,142.68, 843,364.19 and 339,194.62
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Solution
The fourth proportional to 611,142.68, 843,364.19 and 339,194.62 is: 468,081.52
Step by Step Solution
- Step 1: Write the proportion equation
611,142.68 : 843,364.19 = 339,194.62 : x - Step 2: Convert to fraction form
611,142.68/843,364.19 = 339,194.62/x - Step 3: Cross multiply
611,142.68x = 843,364.19 × 339,194.62 - Step 4: Simplify right side
611,142.68x = 286,064,595,948.66 - Step 5: Solve for x
x = 286,064,595,948.66/611,142.68 - Step 6: Final answer
x = 468,081.52
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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.