Finding the Fourth Proportional to 554,214.96, 831,368.97 and 154,859.67
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Solution
The fourth proportional to 554,214.96, 831,368.97 and 154,859.67 is: 232,302.51
Step by Step Solution
- Step 1: Write the proportion equation
554,214.96 : 831,368.97 = 154,859.67 : x - Step 2: Convert to fraction form
554,214.96/831,368.97 = 154,859.67/x - Step 3: Cross multiply
554,214.96x = 831,368.97 × 154,859.67 - Step 4: Simplify right side
554,214.96x = 128,745,524,342.44 - Step 5: Solve for x
x = 128,745,524,342.44/554,214.96 - Step 6: Final answer
x = 232,302.51
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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.