Finding the Fourth Proportional to 351,407.15, 484,939.67 and 190,261.70
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Solution
The fourth proportional to 351,407.15, 484,939.67 and 190,261.70 is: 262,559.96
Step by Step Solution
- Step 1: Write the proportion equation
351,407.15 : 484,939.67 = 190,261.70 : x - Step 2: Convert to fraction form
351,407.15/484,939.67 = 190,261.70/x - Step 3: Cross multiply
351,407.15x = 484,939.67 × 190,261.70 - Step 4: Simplify right side
351,407.15x = 92,265,446,011.64 - Step 5: Solve for x
x = 92,265,446,011.64/351,407.15 - Step 6: Final answer
x = 262,559.96
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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.