Finding the Fourth Proportional to 170,387.37, 235,134.77 and 98,809.00
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Solution
The fourth proportional to 170,387.37, 235,134.77 and 98,809.00 is: 136,356.53
Step by Step Solution
- Step 1: Write the proportion equation
170,387.37 : 235,134.77 = 98,809.00 : x - Step 2: Convert to fraction form
170,387.37/235,134.77 = 98,809.00/x - Step 3: Cross multiply
170,387.37x = 235,134.77 × 98,809.00 - Step 4: Simplify right side
170,387.37x = 23,233,430,407.05 - Step 5: Solve for x
x = 23,233,430,407.05/170,387.37 - Step 6: Final answer
x = 136,356.53
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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.