Finding the Fourth Proportional to 427,855.94, 590,418.74 and 234,226.53
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Solution
The fourth proportional to 427,855.94, 590,418.74 and 234,226.53 is: 323,220.32
Step by Step Solution
- Step 1: Write the proportion equation
427,855.94 : 590,418.74 = 234,226.53 : x - Step 2: Convert to fraction form
427,855.94/590,418.74 = 234,226.53/x - Step 3: Cross multiply
427,855.94x = 590,418.74 × 234,226.53 - Step 4: Simplify right side
427,855.94x = 138,291,732,717.17 - Step 5: Solve for x
x = 138,291,732,717.17/427,855.94 - Step 6: Final answer
x = 323,220.32
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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.