Finding the Fourth Proportional to 178,646.28, 246,530.79 and 98,075.13
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Solution
The fourth proportional to 178,646.28, 246,530.79 and 98,075.13 is: 135,343.09
Step by Step Solution
- Step 1: Write the proportion equation
178,646.28 : 246,530.79 = 98,075.13 : x - Step 2: Convert to fraction form
178,646.28/246,530.79 = 98,075.13/x - Step 3: Cross multiply
178,646.28x = 246,530.79 × 98,075.13 - Step 4: Simplify right side
178,646.28x = 24,178,539,278.25 - Step 5: Solve for x
x = 24,178,539,278.25/178,646.28 - Step 6: Final answer
x = 135,343.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.