Finding the Fourth Proportional to 341,319.80, 511,944.18 and 91,986.68
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Solution
The fourth proportional to 341,319.80, 511,944.18 and 91,986.68 is: 137,970.45
Step by Step Solution
- Step 1: Write the proportion equation
341,319.80 : 511,944.18 = 91,986.68 : x - Step 2: Convert to fraction form
341,319.80/511,944.18 = 91,986.68/x - Step 3: Cross multiply
341,319.80x = 511,944.18 × 91,986.68 - Step 4: Simplify right side
341,319.80x = 47,092,045,463.52 - Step 5: Solve for x
x = 47,092,045,463.52/341,319.80 - Step 6: Final answer
x = 137,970.45
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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.