Finding the Fourth Proportional to 274,047.98, 378,137.84 and 153,150.62
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Solution
The fourth proportional to 274,047.98, 378,137.84 and 153,150.62 is: 211,320.82
Step by Step Solution
- Step 1: Write the proportion equation
274,047.98 : 378,137.84 = 153,150.62 : x - Step 2: Convert to fraction form
274,047.98/378,137.84 = 153,150.62/x - Step 3: Cross multiply
274,047.98x = 378,137.84 × 153,150.62 - Step 4: Simplify right side
274,047.98x = 57,912,044,641.46 - Step 5: Solve for x
x = 57,912,044,641.46/274,047.98 - Step 6: Final answer
x = 211,320.82
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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.