Finding the Fourth Proportional to 178,250.10, 245,961.71 and 106,603.98
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Solution
The fourth proportional to 178,250.10, 245,961.71 and 106,603.98 is: 147,099.48
Step by Step Solution
- Step 1: Write the proportion equation
178,250.10 : 245,961.71 = 106,603.98 : x - Step 2: Convert to fraction form
178,250.10/245,961.71 = 106,603.98/x - Step 3: Cross multiply
178,250.10x = 245,961.71 × 106,603.98 - Step 4: Simplify right side
178,250.10x = 26,220,496,680.59 - Step 5: Solve for x
x = 26,220,496,680.59/178,250.10 - Step 6: Final answer
x = 147,099.48
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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.