Finding the Fourth Proportional to 343,377.63, 473,847.98 and 190,422.09
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Solution
The fourth proportional to 343,377.63, 473,847.98 and 190,422.09 is: 262,775.19
Step by Step Solution
- Step 1: Write the proportion equation
343,377.63 : 473,847.98 = 190,422.09 : x - Step 2: Convert to fraction form
343,377.63/473,847.98 = 190,422.09/x - Step 3: Cross multiply
343,377.63x = 473,847.98 × 190,422.09 - Step 4: Simplify right side
343,377.63x = 90,231,121,741.77 - Step 5: Solve for x
x = 90,231,121,741.77/343,377.63 - Step 6: Final answer
x = 262,775.19
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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.