Finding the Fourth Proportional to 616,216.14, 850,372.43 and 344,330.87
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Solution
The fourth proportional to 616,216.14, 850,372.43 and 344,330.87 is: 475,173.33
Step by Step Solution
- Step 1: Write the proportion equation
616,216.14 : 850,372.43 = 344,330.87 : x - Step 2: Convert to fraction form
616,216.14/850,372.43 = 344,330.87/x - Step 3: Cross multiply
616,216.14x = 850,372.43 × 344,330.87 - Step 4: Simplify right side
616,216.14x = 292,809,472,672.40 - Step 5: Solve for x
x = 292,809,472,672.40/616,216.14 - Step 6: Final answer
x = 475,173.33
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1.5x scale
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.