Finding the Fourth Proportional to 170,562.02, 235,440.43 and 128,243.48
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Solution
The fourth proportional to 170,562.02, 235,440.43 and 128,243.48 is: 177,024.75
Step by Step Solution
- Step 1: Write the proportion equation
170,562.02 : 235,440.43 = 128,243.48 : x - Step 2: Convert to fraction form
170,562.02/235,440.43 = 128,243.48/x - Step 3: Cross multiply
170,562.02x = 235,440.43 × 128,243.48 - Step 4: Simplify right side
170,562.02x = 30,193,698,578.09 - Step 5: Solve for x
x = 30,193,698,578.09/170,562.02 - Step 6: Final answer
x = 177,024.75
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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.