Finding the Fourth Proportional to 163,877.60, 245,817.16 and 57,261.08
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Solution
The fourth proportional to 163,877.60, 245,817.16 and 57,261.08 is: 85,891.89
Step by Step Solution
- Step 1: Write the proportion equation
163,877.60 : 245,817.16 = 57,261.08 : x - Step 2: Convert to fraction form
163,877.60/245,817.16 = 57,261.08/x - Step 3: Cross multiply
163,877.60x = 245,817.16 × 57,261.08 - Step 4: Simplify right side
163,877.60x = 14,075,756,064.13 - Step 5: Solve for x
x = 14,075,756,064.13/163,877.60 - Step 6: Final answer
x = 85,891.89
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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.