Finding the Fourth Proportional to 485,251.80, 727,877.70 and 248,515.80
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Solution
The fourth proportional to 485,251.80, 727,877.70 and 248,515.80 is: 372,773.70
Step by Step Solution
- Step 1: Write the proportion equation
485,251.80 : 727,877.70 = 248,515.80 : x - Step 2: Convert to fraction form
485,251.80/727,877.70 = 248,515.80/x - Step 3: Cross multiply
485,251.80x = 727,877.70 × 248,515.80 - Step 4: Simplify right side
485,251.80x = 180,889,108,917.66 - Step 5: Solve for x
x = 180,889,108,917.66/485,251.80 - Step 6: Final answer
x = 372,773.70
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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.