Finding the Fourth Proportional to 554,459.40, 831,686.67 and 217,261.80
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Solution
The fourth proportional to 554,459.40, 831,686.67 and 217,261.80 is: 325,891.75
Step by Step Solution
- Step 1: Write the proportion equation
554,459.40 : 831,686.67 = 217,261.80 : x - Step 2: Convert to fraction form
554,459.40/831,686.67 = 217,261.80/x - Step 3: Cross multiply
554,459.40x = 831,686.67 × 217,261.80 - Step 4: Simplify right side
554,459.40x = 180,693,742,960.21 - Step 5: Solve for x
x = 180,693,742,960.21/554,459.40 - Step 6: Final answer
x = 325,891.75
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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.