Finding the Fourth Proportional to 487,997.94, 673,430.54 and 273,137.94
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Solution
The fourth proportional to 487,997.94, 673,430.54 and 273,137.94 is: 376,926.65
Step by Step Solution
- Step 1: Write the proportion equation
487,997.94 : 673,430.54 = 273,137.94 : x - Step 2: Convert to fraction form
487,997.94/673,430.54 = 273,137.94/x - Step 3: Cross multiply
487,997.94x = 673,430.54 × 273,137.94 - Step 4: Simplify right side
487,997.94x = 183,939,430,428.69 - Step 5: Solve for x
x = 183,939,430,428.69/487,997.94 - Step 6: Final answer
x = 376,926.65
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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.