Finding the Fourth Proportional to 1,267,182.16, 1,900,773.81 and 307,638.99
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Solution
The fourth proportional to 1,267,182.16, 1,900,773.81 and 307,638.99 is: 461,458.62
Step by Step Solution
- Step 1: Write the proportion equation
1,267,182.16 : 1,900,773.81 = 307,638.99 : x - Step 2: Convert to fraction form
1,267,182.16/1,900,773.81 = 307,638.99/x - Step 3: Cross multiply
1,267,182.16x = 1,900,773.81 × 307,638.99 - Step 4: Simplify right side
1,267,182.16x = 584,752,135,126.85 - Step 5: Solve for x
x = 584,752,135,126.85/1,267,182.16 - Step 6: Final answer
x = 461,458.62
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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.