Finding the Fourth Proportional to 297,686.24, 410,805.35 and 161,719.10
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Solution
The fourth proportional to 297,686.24, 410,805.35 and 161,719.10 is: 223,171.46
Step by Step Solution
- Step 1: Write the proportion equation
297,686.24 : 410,805.35 = 161,719.10 : x - Step 2: Convert to fraction form
297,686.24/410,805.35 = 161,719.10/x - Step 3: Cross multiply
297,686.24x = 410,805.35 × 161,719.10 - Step 4: Simplify right side
297,686.24x = 66,435,071,477.19 - Step 5: Solve for x
x = 66,435,071,477.19/297,686.24 - Step 6: Final answer
x = 223,171.46
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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.