Finding the Fourth Proportional to 376,730.13, 519,887.78 and 206,975.19
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Solution
The fourth proportional to 376,730.13, 519,887.78 and 206,975.19 is: 285,625.87
Step by Step Solution
- Step 1: Write the proportion equation
376,730.13 : 519,887.78 = 206,975.19 : x - Step 2: Convert to fraction form
376,730.13/519,887.78 = 206,975.19/x - Step 3: Cross multiply
376,730.13x = 519,887.78 × 206,975.19 - Step 4: Simplify right side
376,730.13x = 107,603,872,044.18 - Step 5: Solve for x
x = 107,603,872,044.18/376,730.13 - Step 6: Final answer
x = 285,625.87
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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.