Finding the Fourth Proportional to 146,117.70, 219,373.65 and 93,629.70
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Solution
The fourth proportional to 146,117.70, 219,373.65 and 93,629.70 is: 140,570.85
Step by Step Solution
- Step 1: Write the proportion equation
146,117.70 : 219,373.65 = 93,629.70 : x - Step 2: Convert to fraction form
146,117.70/219,373.65 = 93,629.70/x - Step 3: Cross multiply
146,117.70x = 219,373.65 × 93,629.70 - Step 4: Simplify right side
146,117.70x = 20,539,889,037.41 - Step 5: Solve for x
x = 20,539,889,037.41/146,117.70 - Step 6: Final answer
x = 140,570.85
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1.5x scale
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.