Finding the Fourth Proportional to 266,146.40, 399,220.08 and 177,572.96
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Solution
The fourth proportional to 266,146.40, 399,220.08 and 177,572.96 is: 266,359.76
Step by Step Solution
- Step 1: Write the proportion equation
266,146.40 : 399,220.08 = 177,572.96 : x - Step 2: Convert to fraction form
266,146.40/399,220.08 = 177,572.96/x - Step 3: Cross multiply
266,146.40x = 399,220.08 × 177,572.96 - Step 4: Simplify right side
266,146.40x = 70,890,691,297.04 - Step 5: Solve for x
x = 70,890,691,297.04/266,146.40 - Step 6: Final answer
x = 266,359.76
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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.