Finding the Fourth Proportional to 251,782.49, 377,710.63 and 74,266.40
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Solution
The fourth proportional to 251,782.49, 377,710.63 and 74,266.40 is: 111,410.48
Step by Step Solution
- Step 1: Write the proportion equation
251,782.49 : 377,710.63 = 74,266.40 : x - Step 2: Convert to fraction form
251,782.49/377,710.63 = 74,266.40/x - Step 3: Cross multiply
251,782.49x = 377,710.63 × 74,266.40 - Step 4: Simplify right side
251,782.49x = 28,051,209,490.44 - Step 5: Solve for x
x = 28,051,209,490.44/251,782.49 - Step 6: Final answer
x = 111,410.48
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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.