Finding the Fourth Proportional to 538,520.36, 743,158.14 and 312,297.08
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Solution
The fourth proportional to 538,520.36, 743,158.14 and 312,297.08 is: 430,970.00
Step by Step Solution
- Step 1: Write the proportion equation
538,520.36 : 743,158.14 = 312,297.08 : x - Step 2: Convert to fraction form
538,520.36/743,158.14 = 312,297.08/x - Step 3: Cross multiply
538,520.36x = 743,158.14 × 312,297.08 - Step 4: Simplify right side
538,520.36x = 232,086,117,100.23 - Step 5: Solve for x
x = 232,086,117,100.23/538,520.36 - Step 6: Final answer
x = 430,970.00
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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.