Finding the Fourth Proportional to 266,386.08, 399,579.38 and 74,252.84
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Solution
The fourth proportional to 266,386.08, 399,579.38 and 74,252.84 is: 111,379.32
Step by Step Solution
- Step 1: Write the proportion equation
266,386.08 : 399,579.38 = 74,252.84 : x - Step 2: Convert to fraction form
266,386.08/399,579.38 = 74,252.84/x - Step 3: Cross multiply
266,386.08x = 399,579.38 × 74,252.84 - Step 4: Simplify right side
266,386.08x = 29,669,901,679.73 - Step 5: Solve for x
x = 29,669,901,679.73/266,386.08 - Step 6: Final answer
x = 111,379.32
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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.