Finding the Fourth Proportional to 348,033.24, 521,518.44 and 258,855.48
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Solution
The fourth proportional to 348,033.24, 521,518.44 and 258,855.48 is: 387,887.97
Step by Step Solution
- Step 1: Write the proportion equation
348,033.24 : 521,518.44 = 258,855.48 : x - Step 2: Convert to fraction form
348,033.24/521,518.44 = 258,855.48/x - Step 3: Cross multiply
348,033.24x = 521,518.44 × 258,855.48 - Step 4: Simplify right side
348,033.24x = 134,997,906,115.05 - Step 5: Solve for x
x = 134,997,906,115.05/348,033.24 - Step 6: Final answer
x = 387,887.97
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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.