Finding the Fourth Proportional to 310,300.99, 428,189.09 and 174,324.26
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Solution
The fourth proportional to 310,300.99, 428,189.09 and 174,324.26 is: 240,552.72
Step by Step Solution
- Step 1: Write the proportion equation
310,300.99 : 428,189.09 = 174,324.26 : x - Step 2: Convert to fraction form
310,300.99/428,189.09 = 174,324.26/x - Step 3: Cross multiply
310,300.99x = 428,189.09 × 174,324.26 - Step 4: Simplify right side
310,300.99x = 74,643,746,453.17 - Step 5: Solve for x
x = 74,643,746,453.17/310,300.99 - Step 6: Final answer
x = 240,552.72
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1.5x scale
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.