Finding the Fourth Proportional to 145,927.70, 201,363.08 and 82,261.70
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Solution
The fourth proportional to 145,927.70, 201,363.08 and 82,261.70 is: 113,511.48
Step by Step Solution
- Step 1: Write the proportion equation
145,927.70 : 201,363.08 = 82,261.70 : x - Step 2: Convert to fraction form
145,927.70/201,363.08 = 82,261.70/x - Step 3: Cross multiply
145,927.70x = 201,363.08 × 82,261.70 - Step 4: Simplify right side
145,927.70x = 16,564,469,278.04 - Step 5: Solve for x
x = 16,564,469,278.04/145,927.70 - Step 6: Final answer
x = 113,511.48
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1.5x scale
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.