Finding the Fourth Proportional to 343,403.24, 473,911.78 and 190,431.18
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Solution
The fourth proportional to 343,403.24, 473,911.78 and 190,431.18 is: 262,803.52
Step by Step Solution
- Step 1: Write the proportion equation
343,403.24 : 473,911.78 = 190,431.18 : x - Step 2: Convert to fraction form
343,403.24/473,911.78 = 190,431.18/x - Step 3: Cross multiply
343,403.24x = 473,911.78 × 190,431.18 - Step 4: Simplify right side
343,403.24x = 90,247,579,481.30 - Step 5: Solve for x
x = 90,247,579,481.30/343,403.24 - Step 6: Final answer
x = 262,803.52
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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.