Finding the Fourth Proportional to 261,504,222.70, 392,256,334.05 and 170,804,958.70
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Solution
The fourth proportional to 261,504,222.70, 392,256,334.05 and 170,804,958.70 is: 256,207,438.05
Step by Step Solution
- Step 1: Write the proportion equation
261,504,222.70 : 392,256,334.05 = 170,804,958.70 : x - Step 2: Convert to fraction form
261,504,222.70/392,256,334.05 = 170,804,958.70/x - Step 3: Cross multiply
261,504,222.70x = 392,256,334.05 × 170,804,958.70 - Step 4: Simplify right side
261,504,222.70x = 66,999,326,937,223,648 - Step 5: Solve for x
x = 66,999,326,937,223,648/261,504,222.70 - Step 6: Final answer
x = 256,207,438.05
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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.