Finding the Fourth Proportional to 346,146.85, 477,706.62 and 193,214.80
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Solution
The fourth proportional to 346,146.85, 477,706.62 and 193,214.80 is: 266,649.80
Step by Step Solution
- Step 1: Write the proportion equation
346,146.85 : 477,706.62 = 193,214.80 : x - Step 2: Convert to fraction form
346,146.85/477,706.62 = 193,214.80/x - Step 3: Cross multiply
346,146.85x = 477,706.62 × 193,214.80 - Step 4: Simplify right side
346,146.85x = 92,299,989,041.98 - Step 5: Solve for x
x = 92,299,989,041.98/346,146.85 - Step 6: Final answer
x = 266,649.80
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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.