Finding the Fourth Proportional to 511,563.94, 767,134.77 and 174,631.75
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Solution
The fourth proportional to 511,563.94, 767,134.77 and 174,631.75 is: 261,875.55
Step by Step Solution
- Step 1: Write the proportion equation
511,563.94 : 767,134.77 = 174,631.75 : x - Step 2: Convert to fraction form
511,563.94/767,134.77 = 174,631.75/x - Step 3: Cross multiply
511,563.94x = 767,134.77 × 174,631.75 - Step 4: Simplify right side
511,563.94x = 133,966,087,370.95 - Step 5: Solve for x
x = 133,966,087,370.95/511,563.94 - Step 6: Final answer
x = 261,875.55
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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.