Finding the Fourth Proportional to 170,221.29, 234,946.76 and 98,589.75
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Solution
The fourth proportional to 170,221.29, 234,946.76 and 98,589.75 is: 136,077.82
Step by Step Solution
- Step 1: Write the proportion equation
170,221.29 : 234,946.76 = 98,589.75 : x - Step 2: Convert to fraction form
170,221.29/234,946.76 = 98,589.75/x - Step 3: Cross multiply
170,221.29x = 234,946.76 × 98,589.75 - Step 4: Simplify right side
170,221.29x = 23,163,341,838.76 - Step 5: Solve for x
x = 23,163,341,838.76/170,221.29 - Step 6: Final answer
x = 136,077.82
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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.