Finding the Fourth Proportional to 170,775.07, 235,683.08 and 99,177.55
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Solution
The fourth proportional to 170,775.07, 235,683.08 and 99,177.55 is: 136,872.85
Step by Step Solution
- Step 1: Write the proportion equation
170,775.07 : 235,683.08 = 99,177.55 : x - Step 2: Convert to fraction form
170,775.07/235,683.08 = 99,177.55/x - Step 3: Cross multiply
170,775.07x = 235,683.08 × 99,177.55 - Step 4: Simplify right side
170,775.07x = 23,374,470,450.85 - Step 5: Solve for x
x = 23,374,470,450.85/170,775.07 - Step 6: Final answer
x = 136,872.85
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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.