Finding the Fourth Proportional to 342,991.65, 514,506.92 and 106,367.97
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Solution
The fourth proportional to 342,991.65, 514,506.92 and 106,367.97 is: 159,557.99
Step by Step Solution
- Step 1: Write the proportion equation
342,991.65 : 514,506.92 = 106,367.97 : x - Step 2: Convert to fraction form
342,991.65/514,506.92 = 106,367.97/x - Step 3: Cross multiply
342,991.65x = 514,506.92 × 106,367.97 - Step 4: Simplify right side
342,991.65x = 54,727,056,631.35 - Step 5: Solve for x
x = 54,727,056,631.35/342,991.65 - Step 6: Final answer
x = 159,557.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.