Finding the Fourth Proportional to 517,633.70, 776,887.95 and 202,316.90
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Solution
The fourth proportional to 517,633.70, 776,887.95 and 202,316.90 is: 303,646.31
Step by Step Solution
- Step 1: Write the proportion equation
517,633.70 : 776,887.95 = 202,316.90 : x - Step 2: Convert to fraction form
517,633.70/776,887.95 = 202,316.90/x - Step 3: Cross multiply
517,633.70x = 776,887.95 × 202,316.90 - Step 4: Simplify right side
517,633.70x = 157,177,561,691.36 - Step 5: Solve for x
x = 157,177,561,691.36/517,633.70 - Step 6: Final answer
x = 303,646.31
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1.5x scale
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.