Finding the Fourth Proportional to 470,216.93, 649,097.92 and 317,461.95
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Solution
The fourth proportional to 470,216.93, 649,097.92 and 317,461.95 is: 438,231.55
Step by Step Solution
- Step 1: Write the proportion equation
470,216.93 : 649,097.92 = 317,461.95 : x - Step 2: Convert to fraction form
470,216.93/649,097.92 = 317,461.95/x - Step 3: Cross multiply
470,216.93x = 649,097.92 × 317,461.95 - Step 4: Simplify right side
470,216.93x = 206,063,892,253.23 - Step 5: Solve for x
x = 206,063,892,253.23/470,216.93 - Step 6: Final answer
x = 438,231.55
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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.