Finding the Fourth Proportional to 611,147.68, 843,371.08 and 339,199.62
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Solution
The fourth proportional to 611,147.68, 843,371.08 and 339,199.62 is: 468,088.42
Step by Step Solution
- Step 1: Write the proportion equation
611,147.68 : 843,371.08 = 339,199.62 : x - Step 2: Convert to fraction form
611,147.68/843,371.08 = 339,199.62/x - Step 3: Cross multiply
611,147.68x = 843,371.08 × 339,199.62 - Step 4: Simplify right side
611,147.68x = 286,071,149,854.99 - Step 5: Solve for x
x = 286,071,149,854.99/611,147.68 - Step 6: Final answer
x = 468,088.42
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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.