Finding the Fourth Proportional to 185,842.27, 256,503.15 and 122,185.99
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Solution
The fourth proportional to 185,842.27, 256,503.15 and 122,185.99 is: 168,643.50
Step by Step Solution
- Step 1: Write the proportion equation
185,842.27 : 256,503.15 = 122,185.99 : x - Step 2: Convert to fraction form
185,842.27/256,503.15 = 122,185.99/x - Step 3: Cross multiply
185,842.27x = 256,503.15 × 122,185.99 - Step 4: Simplify right side
185,842.27x = 31,341,091,320.87 - Step 5: Solve for x
x = 31,341,091,320.87/185,842.27 - Step 6: Final answer
x = 168,643.50
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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.