Finding the Fourth Proportional to 654,724.46, 982,128.20 and 205,463.09
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Solution
The fourth proportional to 654,724.46, 982,128.20 and 205,463.09 is: 308,207.65
Step by Step Solution
- Step 1: Write the proportion equation
654,724.46 : 982,128.20 = 205,463.09 : x - Step 2: Convert to fraction form
654,724.46/982,128.20 = 205,463.09/x - Step 3: Cross multiply
654,724.46x = 982,128.20 × 205,463.09 - Step 4: Simplify right side
654,724.46x = 201,791,088,810.18 - Step 5: Solve for x
x = 201,791,088,810.18/654,724.46 - Step 6: Final answer
x = 308,207.65
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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.