Finding the Fourth Proportional to 276,133.80, 413,909.10 and 157,549.80
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Solution
The fourth proportional to 276,133.80, 413,909.10 and 157,549.80 is: 236,158.33
Step by Step Solution
- Step 1: Write the proportion equation
276,133.80 : 413,909.10 = 157,549.80 : x - Step 2: Convert to fraction form
276,133.80/413,909.10 = 157,549.80/x - Step 3: Cross multiply
276,133.80x = 413,909.10 × 157,549.80 - Step 4: Simplify right side
276,133.80x = 65,211,295,923.18 - Step 5: Solve for x
x = 65,211,295,923.18/276,133.80 - Step 6: Final answer
x = 236,158.33
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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.