Finding the Fourth Proportional to 217,097.76, 299,741.12 and 135,550.19
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Solution
The fourth proportional to 217,097.76, 299,741.12 and 135,550.19 is: 187,150.54
Step by Step Solution
- Step 1: Write the proportion equation
217,097.76 : 299,741.12 = 135,550.19 : x - Step 2: Convert to fraction form
217,097.76/299,741.12 = 135,550.19/x - Step 3: Cross multiply
217,097.76x = 299,741.12 × 135,550.19 - Step 4: Simplify right side
217,097.76x = 40,629,963,590.36 - Step 5: Solve for x
x = 40,629,963,590.36/217,097.76 - Step 6: Final answer
x = 187,150.54
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1.5x scale
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.