Finding the Fourth Proportional to 205,400.08, 283,438.02 and 113,515.48
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Solution
The fourth proportional to 205,400.08, 283,438.02 and 113,515.48 is: 156,643.58
Step by Step Solution
- Step 1: Write the proportion equation
205,400.08 : 283,438.02 = 113,515.48 : x - Step 2: Convert to fraction form
205,400.08/283,438.02 = 113,515.48/x - Step 3: Cross multiply
205,400.08x = 283,438.02 × 113,515.48 - Step 4: Simplify right side
205,400.08x = 32,174,602,890.55 - Step 5: Solve for x
x = 32,174,602,890.55/205,400.08 - Step 6: Final answer
x = 156,643.58
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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.