Finding the Fourth Proportional to 538,361.40, 807,542.10 and 183,775.80
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Solution
The fourth proportional to 538,361.40, 807,542.10 and 183,775.80 is: 275,663.70
Step by Step Solution
- Step 1: Write the proportion equation
538,361.40 : 807,542.10 = 183,775.80 : x - Step 2: Convert to fraction form
538,361.40/807,542.10 = 183,775.80/x - Step 3: Cross multiply
538,361.40x = 807,542.10 × 183,775.80 - Step 4: Simplify right side
538,361.40x = 148,406,695,461.18 - Step 5: Solve for x
x = 148,406,695,461.18/538,361.40 - Step 6: Final answer
x = 275,663.70
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.