Finding the Fourth Proportional to 456,705.63, 685,124.04 and 141,187.14
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Solution
The fourth proportional to 456,705.63, 685,124.04 and 141,187.14 is: 211,800.99
Step by Step Solution
- Step 1: Write the proportion equation
456,705.63 : 685,124.04 = 141,187.14 : x - Step 2: Convert to fraction form
456,705.63/685,124.04 = 141,187.14/x - Step 3: Cross multiply
456,705.63x = 685,124.04 × 141,187.14 - Step 4: Simplify right side
456,705.63x = 96,730,703,752.85 - Step 5: Solve for x
x = 96,730,703,752.85/456,705.63 - Step 6: Final answer
x = 211,800.99
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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.