Finding the Fourth Proportional to 416,403.02, 574,637.42 and 225,415.96
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Solution
The fourth proportional to 416,403.02, 574,637.42 and 225,415.96 is: 311,074.70
Step by Step Solution
- Step 1: Write the proportion equation
416,403.02 : 574,637.42 = 225,415.96 : x - Step 2: Convert to fraction form
416,403.02/574,637.42 = 225,415.96/x - Step 3: Cross multiply
416,403.02x = 574,637.42 × 225,415.96 - Step 4: Simplify right side
416,403.02x = 129,532,445,681.22 - Step 5: Solve for x
x = 129,532,445,681.22/416,403.02 - Step 6: Final answer
x = 311,074.70
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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.