Finding the Fourth Proportional to 511,809.84, 767,805.10 and 174,771.52
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Solution
The fourth proportional to 511,809.84, 767,805.10 and 174,771.52 is: 262,188.12
Step by Step Solution
- Step 1: Write the proportion equation
511,809.84 : 767,805.10 = 174,771.52 : x - Step 2: Convert to fraction form
511,809.84/767,805.10 = 174,771.52/x - Step 3: Cross multiply
511,809.84x = 767,805.10 × 174,771.52 - Step 4: Simplify right side
511,809.84x = 134,190,462,034.31 - Step 5: Solve for x
x = 134,190,462,034.31/511,809.84 - Step 6: Final answer
x = 262,188.12
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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.