Finding the Fourth Proportional to 609,139.38, 840,618.99 and 337,211.82
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Solution
The fourth proportional to 609,139.38, 840,618.99 and 337,211.82 is: 465,355.99
Step by Step Solution
- Step 1: Write the proportion equation
609,139.38 : 840,618.99 = 337,211.82 : x - Step 2: Convert to fraction form
609,139.38/840,618.99 = 337,211.82/x - Step 3: Cross multiply
609,139.38x = 840,618.99 × 337,211.82 - Step 4: Simplify right side
609,139.38x = 283,466,659,544.46 - Step 5: Solve for x
x = 283,466,659,544.46/609,139.38 - Step 6: Final answer
x = 465,355.99
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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.