Finding the Fourth Proportional to 228,845.12, 343,263.36 and 71,070.08
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Solution
The fourth proportional to 228,845.12, 343,263.36 and 71,070.08 is: 106,603.78
Step by Step Solution
- Step 1: Write the proportion equation
228,845.12 : 343,263.36 = 71,070.08 : x - Step 2: Convert to fraction form
228,845.12/343,263.36 = 71,070.08/x - Step 3: Cross multiply
228,845.12x = 343,263.36 × 71,070.08 - Step 4: Simplify right side
228,845.12x = 24,395,754,456.27 - Step 5: Solve for x
x = 24,395,754,456.27/228,845.12 - Step 6: Final answer
x = 106,603.78
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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.