Finding the Fourth Proportional to 276,792.05, 413,671.32 and 202,069.55
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Solution
The fourth proportional to 276,792.05, 413,671.32 and 202,069.55 is: 301,997.03
Step by Step Solution
- Step 1: Write the proportion equation
276,792.05 : 413,671.32 = 202,069.55 : x - Step 2: Convert to fraction form
276,792.05/413,671.32 = 202,069.55/x - Step 3: Cross multiply
276,792.05x = 413,671.32 × 202,069.55 - Step 4: Simplify right side
276,792.05x = 83,590,378,514.48 - Step 5: Solve for x
x = 83,590,378,514.48/276,792.05 - Step 6: Final answer
x = 301,997.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.