Finding the Fourth Proportional to 177,319.74, 244,699.99 and 100,838.79
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Solution
The fourth proportional to 177,319.74, 244,699.99 and 100,838.79 is: 139,156.82
Step by Step Solution
- Step 1: Write the proportion equation
177,319.74 : 244,699.99 = 100,838.79 : x - Step 2: Convert to fraction form
177,319.74/244,699.99 = 100,838.79/x - Step 3: Cross multiply
177,319.74x = 244,699.99 × 100,838.79 - Step 4: Simplify right side
177,319.74x = 24,675,250,904.61 - Step 5: Solve for x
x = 24,675,250,904.61/177,319.74 - Step 6: Final answer
x = 139,156.82
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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.