Finding the Fourth Proportional to 611,668.07, 917,502.11 and 190,979.99
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Solution
The fourth proportional to 611,668.07, 917,502.11 and 190,979.99 is: 286,469.99
Step by Step Solution
- Step 1: Write the proportion equation
611,668.07 : 917,502.11 = 190,979.99 : x - Step 2: Convert to fraction form
611,668.07/917,502.11 = 190,979.99/x - Step 3: Cross multiply
611,668.07x = 917,502.11 × 190,979.99 - Step 4: Simplify right side
611,668.07x = 175,224,542,837.88 - Step 5: Solve for x
x = 175,224,542,837.88/611,668.07 - Step 6: Final answer
x = 286,469.99
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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.