Finding the Fourth Proportional to 371,772.24, 513,181.08 and 228,724.08
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Solution
The fourth proportional to 371,772.24, 513,181.08 and 228,724.08 is: 315,722.53
Step by Step Solution
- Step 1: Write the proportion equation
371,772.24 : 513,181.08 = 228,724.08 : x - Step 2: Convert to fraction form
371,772.24/513,181.08 = 228,724.08/x - Step 3: Cross multiply
371,772.24x = 513,181.08 × 228,724.08 - Step 4: Simplify right side
371,772.24x = 117,376,870,396.41 - Step 5: Solve for x
x = 117,376,870,396.41/371,772.24 - Step 6: Final answer
x = 315,722.53
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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.