Finding the Fourth Proportional to 297,083.98, 409,976.08 and 161,117.88
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Solution
The fourth proportional to 297,083.98, 409,976.08 and 161,117.88 is: 222,342.79
Step by Step Solution
- Step 1: Write the proportion equation
297,083.98 : 409,976.08 = 161,117.88 : x - Step 2: Convert to fraction form
297,083.98/409,976.08 = 161,117.88/x - Step 3: Cross multiply
297,083.98x = 409,976.08 × 161,117.88 - Step 4: Simplify right side
297,083.98x = 66,054,479,285.57 - Step 5: Solve for x
x = 66,054,479,285.57/297,083.98 - Step 6: Final answer
x = 222,342.79
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1.5x scale
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.