Finding the Fourth Proportional to 188,287.68, 260,005.77 and 140,457.99
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Solution
The fourth proportional to 188,287.68, 260,005.77 and 140,457.99 is: 193,957.93
Step by Step Solution
- Step 1: Write the proportion equation
188,287.68 : 260,005.77 = 140,457.99 : x - Step 2: Convert to fraction form
188,287.68/260,005.77 = 140,457.99/x - Step 3: Cross multiply
188,287.68x = 260,005.77 × 140,457.99 - Step 4: Simplify right side
188,287.68x = 36,519,887,842.60 - Step 5: Solve for x
x = 36,519,887,842.60/188,287.68 - Step 6: Final answer
x = 193,957.93
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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.