Finding the Fourth Proportional to 399,943.74, 599,916.18 and 160,165.62
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Solution
The fourth proportional to 399,943.74, 599,916.18 and 160,165.62 is: 240,248.66
Step by Step Solution
- Step 1: Write the proportion equation
399,943.74 : 599,916.18 = 160,165.62 : x - Step 2: Convert to fraction form
399,943.74/599,916.18 = 160,165.62/x - Step 3: Cross multiply
399,943.74x = 599,916.18 × 160,165.62 - Step 4: Simplify right side
399,943.74x = 96,085,946,917.73 - Step 5: Solve for x
x = 96,085,946,917.73/399,943.74 - Step 6: Final answer
x = 240,248.66
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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.