Finding the Fourth Proportional to 266,387.08, 399,580.88 and 74,253.84
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Solution
The fourth proportional to 266,387.08, 399,580.88 and 74,253.84 is: 111,380.83
Step by Step Solution
- Step 1: Write the proportion equation
266,387.08 : 399,580.88 = 74,253.84 : x - Step 2: Convert to fraction form
266,387.08/399,580.88 = 74,253.84/x - Step 3: Cross multiply
266,387.08x = 399,580.88 × 74,253.84 - Step 4: Simplify right side
266,387.08x = 29,670,414,730.58 - Step 5: Solve for x
x = 29,670,414,730.58/266,387.08 - Step 6: Final answer
x = 111,380.83
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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.