Finding the Fourth Proportional to 266,947.29, 368,351.69 and 153,748.17
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Solution
The fourth proportional to 266,947.29, 368,351.69 and 153,748.17 is: 212,151.99
Step by Step Solution
- Step 1: Write the proportion equation
266,947.29 : 368,351.69 = 153,748.17 : x - Step 2: Convert to fraction form
266,947.29/368,351.69 = 153,748.17/x - Step 3: Cross multiply
266,947.29x = 368,351.69 × 153,748.17 - Step 4: Simplify right side
266,947.29x = 56,633,397,485.17 - Step 5: Solve for x
x = 56,633,397,485.17/266,947.29 - Step 6: Final answer
x = 212,151.99
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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.