Finding the Fourth Proportional to 400,034.19, 551,787.06 and 256,566.99
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Solution
The fourth proportional to 400,034.19, 551,787.06 and 256,566.99 is: 353,895.61
Step by Step Solution
- Step 1: Write the proportion equation
400,034.19 : 551,787.06 = 256,566.99 : x - Step 2: Convert to fraction form
400,034.19/551,787.06 = 256,566.99/x - Step 3: Cross multiply
400,034.19x = 551,787.06 × 256,566.99 - Step 4: Simplify right side
400,034.19x = 141,570,345,105.15 - Step 5: Solve for x
x = 141,570,345,105.15/400,034.19 - Step 6: Final answer
x = 353,895.61
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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.