Finding the Fourth Proportional to 268,406.61, 402,697.40 and 135,276.63
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Solution
The fourth proportional to 268,406.61, 402,697.40 and 135,276.63 is: 202,959.03
Step by Step Solution
- Step 1: Write the proportion equation
268,406.61 : 402,697.40 = 135,276.63 : x - Step 2: Convert to fraction form
268,406.61/402,697.40 = 135,276.63/x - Step 3: Cross multiply
268,406.61x = 402,697.40 × 135,276.63 - Step 4: Simplify right side
268,406.61x = 54,475,546,505.38 - Step 5: Solve for x
x = 54,475,546,505.38/268,406.61 - Step 6: Final answer
x = 202,959.03
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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.