Finding the Fourth Proportional to 511,966.94, 767,921.70 and 156,979.99
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Solution
The fourth proportional to 511,966.94, 767,921.70 and 156,979.99 is: 235,461.17
Step by Step Solution
- Step 1: Write the proportion equation
511,966.94 : 767,921.70 = 156,979.99 : x - Step 2: Convert to fraction form
511,966.94/767,921.70 = 156,979.99/x - Step 3: Cross multiply
511,966.94x = 767,921.70 × 156,979.99 - Step 4: Simplify right side
511,966.94x = 120,548,336,947.17 - Step 5: Solve for x
x = 120,548,336,947.17/511,966.94 - Step 6: Final answer
x = 235,461.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.