Finding the Fourth Proportional to 217,147.08, 299,638.77 and 126,484.08
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Solution
The fourth proportional to 217,147.08, 299,638.77 and 126,484.08 is: 174,533.93
Step by Step Solution
- Step 1: Write the proportion equation
217,147.08 : 299,638.77 = 126,484.08 : x - Step 2: Convert to fraction form
217,147.08/299,638.77 = 126,484.08/x - Step 3: Cross multiply
217,147.08x = 299,638.77 × 126,484.08 - Step 4: Simplify right side
217,147.08x = 37,899,534,155.78 - Step 5: Solve for x
x = 37,899,534,155.78/217,147.08 - Step 6: Final answer
x = 174,533.93
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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.