Finding the Fourth Proportional to 266,084.40, 399,175.20 and 108,328.80
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Solution
The fourth proportional to 266,084.40, 399,175.20 and 108,328.80 is: 162,512.99
Step by Step Solution
- Step 1: Write the proportion equation
266,084.40 : 399,175.20 = 108,328.80 : x - Step 2: Convert to fraction form
266,084.40/399,175.20 = 108,328.80/x - Step 3: Cross multiply
266,084.40x = 399,175.20 × 108,328.80 - Step 4: Simplify right side
266,084.40x = 43,242,170,405.76 - Step 5: Solve for x
x = 43,242,170,405.76/266,084.40 - Step 6: Final answer
x = 162,512.99
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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.