Finding the Fourth Proportional to 623,465.10, 935,295.66 and 202,642.56
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Solution
The fourth proportional to 623,465.10, 935,295.66 and 202,642.56 is: 303,995.70
Step by Step Solution
- Step 1: Write the proportion equation
623,465.10 : 935,295.66 = 202,642.56 : x - Step 2: Convert to fraction form
623,465.10/935,295.66 = 202,642.56/x - Step 3: Cross multiply
623,465.10x = 935,295.66 × 202,642.56 - Step 4: Simplify right side
623,465.10x = 189,530,706,899.29 - Step 5: Solve for x
x = 189,530,706,899.29/623,465.10 - Step 6: Final answer
x = 303,995.70
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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.