Finding the Fourth Proportional to 266,631.84, 368,044.60 and 153,499.68
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Solution
The fourth proportional to 266,631.84, 368,044.60 and 153,499.68 is: 211,882.90
Step by Step Solution
- Step 1: Write the proportion equation
266,631.84 : 368,044.60 = 153,499.68 : x - Step 2: Convert to fraction form
266,631.84/368,044.60 = 153,499.68/x - Step 3: Cross multiply
266,631.84x = 368,044.60 × 153,499.68 - Step 4: Simplify right side
266,631.84x = 56,494,728,325.73 - Step 5: Solve for x
x = 56,494,728,325.73/266,631.84 - Step 6: Final answer
x = 211,882.90
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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.