Finding the Fourth Proportional to 416,237.68, 574,407.96 and 225,251.08
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Solution
The fourth proportional to 416,237.68, 574,407.96 and 225,251.08 is: 310,846.47
Step by Step Solution
- Step 1: Write the proportion equation
416,237.68 : 574,407.96 = 225,251.08 : x - Step 2: Convert to fraction form
416,237.68/574,407.96 = 225,251.08/x - Step 3: Cross multiply
416,237.68x = 574,407.96 × 225,251.08 - Step 4: Simplify right side
416,237.68x = 129,386,013,350.60 - Step 5: Solve for x
x = 129,386,013,350.60/416,237.68 - Step 6: Final answer
x = 310,846.47
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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.