Finding the Fourth Proportional to 906,157.36, 1,359,229.95 and 307,539.94
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Solution
The fourth proportional to 906,157.36, 1,359,229.95 and 307,539.94 is: 461,307.84
Step by Step Solution
- Step 1: Write the proportion equation
906,157.36 : 1,359,229.95 = 307,539.94 : x - Step 2: Convert to fraction form
906,157.36/1,359,229.95 = 307,539.94/x - Step 3: Cross multiply
906,157.36x = 1,359,229.95 × 307,539.94 - Step 4: Simplify right side
906,157.36x = 418,017,497,269.20 - Step 5: Solve for x
x = 418,017,497,269.20/906,157.36 - Step 6: Final answer
x = 461,307.84
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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.