Finding the Fourth Proportional to 276,130.88, 413,589.20 and 228,202.80
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Solution
The fourth proportional to 276,130.88, 413,589.20 and 228,202.80 is: 341,802.46
Step by Step Solution
- Step 1: Write the proportion equation
276,130.88 : 413,589.20 = 228,202.80 : x - Step 2: Convert to fraction form
276,130.88/413,589.20 = 228,202.80/x - Step 3: Cross multiply
276,130.88x = 413,589.20 × 228,202.80 - Step 4: Simplify right side
276,130.88x = 94,382,213,489.76 - Step 5: Solve for x
x = 94,382,213,489.76/276,130.88 - Step 6: Final answer
x = 341,802.46
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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.