Finding the Fourth Proportional to 382,869.42, 574,283.19 and 116,607.66
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Solution
The fourth proportional to 382,869.42, 574,283.19 and 116,607.66 is: 174,905.11
Step by Step Solution
- Step 1: Write the proportion equation
382,869.42 : 574,283.19 = 116,607.66 : x - Step 2: Convert to fraction form
382,869.42/574,283.19 = 116,607.66/x - Step 3: Cross multiply
382,869.42x = 574,283.19 × 116,607.66 - Step 4: Simplify right side
382,869.42x = 66,965,818,963.24 - Step 5: Solve for x
x = 66,965,818,963.24/382,869.42 - Step 6: Final answer
x = 174,905.11
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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.