Finding the Fourth Proportional to 403,531.50, 556,912.35 and 224,683.50
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Solution
The fourth proportional to 403,531.50, 556,912.35 and 224,683.50 is: 310,084.88
Step by Step Solution
- Step 1: Write the proportion equation
403,531.50 : 556,912.35 = 224,683.50 : x - Step 2: Convert to fraction form
403,531.50/556,912.35 = 224,683.50/x - Step 3: Cross multiply
403,531.50x = 556,912.35 × 224,683.50 - Step 4: Simplify right side
403,531.50x = 125,129,015,991.23 - Step 5: Solve for x
x = 125,129,015,991.23/403,531.50 - Step 6: Final answer
x = 310,084.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.