Finding the Fourth Proportional to 622,083.12, 933,113.52 and 201,359.40
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Solution
The fourth proportional to 622,083.12, 933,113.52 and 201,359.40 is: 302,035.49
Step by Step Solution
- Step 1: Write the proportion equation
622,083.12 : 933,113.52 = 201,359.40 : x - Step 2: Convert to fraction form
622,083.12/933,113.52 = 201,359.40/x - Step 3: Cross multiply
622,083.12x = 933,113.52 × 201,359.40 - Step 4: Simplify right side
622,083.12x = 187,891,178,519.09 - Step 5: Solve for x
x = 187,891,178,519.09/622,083.12 - Step 6: Final answer
x = 302,035.49
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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.