Finding the Fourth Proportional to 299,743.49, 413,626.16 and 170,695.13
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Solution
The fourth proportional to 299,743.49, 413,626.16 and 170,695.13 is: 235,547.96
Step by Step Solution
- Step 1: Write the proportion equation
299,743.49 : 413,626.16 = 170,695.13 : x - Step 2: Convert to fraction form
299,743.49/413,626.16 = 170,695.13/x - Step 3: Cross multiply
299,743.49x = 413,626.16 × 170,695.13 - Step 4: Simplify right side
299,743.49x = 70,603,969,511.21 - Step 5: Solve for x
x = 70,603,969,511.21/299,743.49 - Step 6: Final answer
x = 235,547.96
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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.