Finding the Fourth Proportional to 147,750.39, 221,644.74 and 67,769.07
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Solution
The fourth proportional to 147,750.39, 221,644.74 and 67,769.07 is: 101,662.39
Step by Step Solution
- Step 1: Write the proportion equation
147,750.39 : 221,644.74 = 67,769.07 : x - Step 2: Convert to fraction form
147,750.39/221,644.74 = 67,769.07/x - Step 3: Cross multiply
147,750.39x = 221,644.74 × 67,769.07 - Step 4: Simplify right side
147,750.39x = 15,020,657,900.19 - Step 5: Solve for x
x = 15,020,657,900.19/147,750.39 - Step 6: Final answer
x = 101,662.39
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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.