Finding the Fourth Proportional to 489,018.24, 733,465.08 and 189,293.76
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Solution
The fourth proportional to 489,018.24, 733,465.08 and 189,293.76 is: 283,916.53
Step by Step Solution
- Step 1: Write the proportion equation
489,018.24 : 733,465.08 = 189,293.76 : x - Step 2: Convert to fraction form
489,018.24/733,465.08 = 189,293.76/x - Step 3: Cross multiply
489,018.24x = 733,465.08 × 189,293.76 - Step 4: Simplify right side
489,018.24x = 138,840,362,821.90 - Step 5: Solve for x
x = 138,840,362,821.90/489,018.24 - Step 6: Final answer
x = 283,916.53
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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.