Finding the Fourth Proportional to 170,117.70, 234,758.94 and 106,490.58
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Solution
The fourth proportional to 170,117.70, 234,758.94 and 106,490.58 is: 146,954.82
Step by Step Solution
- Step 1: Write the proportion equation
170,117.70 : 234,758.94 = 106,490.58 : x - Step 2: Convert to fraction form
170,117.70/234,758.94 = 106,490.58/x - Step 3: Cross multiply
170,117.70x = 234,758.94 × 106,490.58 - Step 4: Simplify right side
170,117.70x = 24,999,615,680.79 - Step 5: Solve for x
x = 24,999,615,680.79/170,117.70 - Step 6: Final answer
x = 146,954.82
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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.