Finding the Fourth Proportional to 616,410.06, 850,572.21 and 340,730.68
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Solution
The fourth proportional to 616,410.06, 850,572.21 and 340,730.68 is: 470,167.61
Step by Step Solution
- Step 1: Write the proportion equation
616,410.06 : 850,572.21 = 340,730.68 : x - Step 2: Convert to fraction form
616,410.06/850,572.21 = 340,730.68/x - Step 3: Cross multiply
616,410.06x = 850,572.21 × 340,730.68 - Step 4: Simplify right side
616,410.06x = 289,816,045,375.97 - Step 5: Solve for x
x = 289,816,045,375.97/616,410.06 - Step 6: Final answer
x = 470,167.61
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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.