Finding the Fourth Proportional to 143,547.84, 215,296.16 and 43,683.84
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Solution
The fourth proportional to 143,547.84, 215,296.16 and 43,683.84 is: 65,517.97
Step by Step Solution
- Step 1: Write the proportion equation
143,547.84 : 215,296.16 = 43,683.84 : x - Step 2: Convert to fraction form
143,547.84/215,296.16 = 43,683.84/x - Step 3: Cross multiply
143,547.84x = 215,296.16 × 43,683.84 - Step 4: Simplify right side
143,547.84x = 9,404,963,006.05 - Step 5: Solve for x
x = 9,404,963,006.05/143,547.84 - Step 6: Final answer
x = 65,517.97
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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.