Finding the Fourth Proportional to 406,378.41, 561,076.23 and 253,649.26
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Solution
The fourth proportional to 406,378.41, 561,076.23 and 253,649.26 is: 350,207.02
Step by Step Solution
- Step 1: Write the proportion equation
406,378.41 : 561,076.23 = 253,649.26 : x - Step 2: Convert to fraction form
406,378.41/561,076.23 = 253,649.26/x - Step 3: Cross multiply
406,378.41x = 561,076.23 × 253,649.26 - Step 4: Simplify right side
406,378.41x = 142,316,570,543.09 - Step 5: Solve for x
x = 142,316,570,543.09/406,378.41 - Step 6: Final answer
x = 350,207.02
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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.