Finding the Fourth Proportional to 399,295.40, 598,943.10 and 162,807.80
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Solution
The fourth proportional to 399,295.40, 598,943.10 and 162,807.80 is: 244,211.70
Step by Step Solution
- Step 1: Write the proportion equation
399,295.40 : 598,943.10 = 162,807.80 : x - Step 2: Convert to fraction form
399,295.40/598,943.10 = 162,807.80/x - Step 3: Cross multiply
399,295.40x = 598,943.10 × 162,807.80 - Step 4: Simplify right side
399,295.40x = 97,512,608,436.18 - Step 5: Solve for x
x = 97,512,608,436.18/399,295.40 - Step 6: Final answer
x = 244,211.70
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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.