Finding the Fourth Proportional to 215,549.18, 297,457.94 and 124,957.65
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Solution
The fourth proportional to 215,549.18, 297,457.94 and 124,957.65 is: 172,441.61
Step by Step Solution
- Step 1: Write the proportion equation
215,549.18 : 297,457.94 = 124,957.65 : x - Step 2: Convert to fraction form
215,549.18/297,457.94 = 124,957.65/x - Step 3: Cross multiply
215,549.18x = 297,457.94 × 124,957.65 - Step 4: Simplify right side
215,549.18x = 37,169,645,881.22 - Step 5: Solve for x
x = 37,169,645,881.22/215,549.18 - Step 6: Final answer
x = 172,441.61
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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.