Finding the Fourth Proportional to 315,316.94, 435,146.99 and 179,370.59
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Solution
The fourth proportional to 315,316.94, 435,146.99 and 179,370.59 is: 247,536.88
Step by Step Solution
- Step 1: Write the proportion equation
315,316.94 : 435,146.99 = 179,370.59 : x - Step 2: Convert to fraction form
315,316.94/435,146.99 = 179,370.59/x - Step 3: Cross multiply
315,316.94x = 435,146.99 × 179,370.59 - Step 4: Simplify right side
315,316.94x = 78,052,569,260.44 - Step 5: Solve for x
x = 78,052,569,260.44/315,316.94 - Step 6: Final answer
x = 247,536.88
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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.