Finding the Fourth Proportional to 170,435.72, 235,202.46 and 94,989.08
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Solution
The fourth proportional to 170,435.72, 235,202.46 and 94,989.08 is: 131,085.58
Step by Step Solution
- Step 1: Write the proportion equation
170,435.72 : 235,202.46 = 94,989.08 : x - Step 2: Convert to fraction form
170,435.72/235,202.46 = 94,989.08/x - Step 3: Cross multiply
170,435.72x = 235,202.46 × 94,989.08 - Step 4: Simplify right side
170,435.72x = 22,341,665,289.14 - Step 5: Solve for x
x = 22,341,665,289.14/170,435.72 - Step 6: Final answer
x = 131,085.58
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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.