Finding the Fourth Proportional to 266,330.46, 367,546.95 and 153,153.21
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Solution
The fourth proportional to 266,330.46, 367,546.95 and 153,153.21 is: 211,357.71
Step by Step Solution
- Step 1: Write the proportion equation
266,330.46 : 367,546.95 = 153,153.21 : x - Step 2: Convert to fraction form
266,330.46/367,546.95 = 153,153.21/x - Step 3: Cross multiply
266,330.46x = 367,546.95 × 153,153.21 - Step 4: Simplify right side
266,330.46x = 56,290,995,218.21 - Step 5: Solve for x
x = 56,290,995,218.21/266,330.46 - Step 6: Final answer
x = 211,357.71
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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.