Finding the Fourth Proportional to 170,904.96, 235,695.58 and 142,319.25
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Solution
The fourth proportional to 170,904.96, 235,695.58 and 142,319.25 is: 196,272.94
Step by Step Solution
- Step 1: Write the proportion equation
170,904.96 : 235,695.58 = 142,319.25 : x - Step 2: Convert to fraction form
170,904.96/235,695.58 = 142,319.25/x - Step 3: Cross multiply
170,904.96x = 235,695.58 × 142,319.25 - Step 4: Simplify right side
170,904.96x = 33,544,018,173.92 - Step 5: Solve for x
x = 33,544,018,173.92/170,904.96 - Step 6: Final answer
x = 196,272.94
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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.