Finding the Fourth Proportional to 204,484.05, 306,726.08 and 115,910.55
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Solution
The fourth proportional to 204,484.05, 306,726.08 and 115,910.55 is: 173,865.83
Step by Step Solution
- Step 1: Write the proportion equation
204,484.05 : 306,726.08 = 115,910.55 : x - Step 2: Convert to fraction form
204,484.05/306,726.08 = 115,910.55/x - Step 3: Cross multiply
204,484.05x = 306,726.08 × 115,910.55 - Step 4: Simplify right side
204,484.05x = 35,552,788,052.59 - Step 5: Solve for x
x = 35,552,788,052.59/204,484.05 - Step 6: Final answer
x = 173,865.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.