Finding the Fourth Proportional to 543,800.10, 750,449.26 and 298,790.00
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Solution
The fourth proportional to 543,800.10, 750,449.26 and 298,790.00 is: 412,333.01
Step by Step Solution
- Step 1: Write the proportion equation
543,800.10 : 750,449.26 = 298,790.00 : x - Step 2: Convert to fraction form
543,800.10/750,449.26 = 298,790.00/x - Step 3: Cross multiply
543,800.10x = 750,449.26 × 298,790.00 - Step 4: Simplify right side
543,800.10x = 224,226,731,390.13 - Step 5: Solve for x
x = 224,226,731,390.13/543,800.10 - Step 6: Final answer
x = 412,333.01
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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.