Finding the Fourth Proportional to 340,556.91, 469,968.64 and 197,399.99
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Solution
The fourth proportional to 340,556.91, 469,968.64 and 197,399.99 is: 272,412.05
Step by Step Solution
- Step 1: Write the proportion equation
340,556.91 : 469,968.64 = 197,399.99 : x - Step 2: Convert to fraction form
340,556.91/469,968.64 = 197,399.99/x - Step 3: Cross multiply
340,556.91x = 469,968.64 × 197,399.99 - Step 4: Simplify right side
340,556.91x = 92,771,804,262.13 - Step 5: Solve for x
x = 92,771,804,262.13/340,556.91 - Step 6: Final answer
x = 272,412.05
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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.