Finding the Fourth Proportional to 307,020.06, 423,718.70 and 171,076.14
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Solution
The fourth proportional to 307,020.06, 423,718.70 and 171,076.14 is: 236,102.35
Step by Step Solution
- Step 1: Write the proportion equation
307,020.06 : 423,718.70 = 171,076.14 : x - Step 2: Convert to fraction form
307,020.06/423,718.70 = 171,076.14/x - Step 3: Cross multiply
307,020.06x = 423,718.70 × 171,076.14 - Step 4: Simplify right side
307,020.06x = 72,488,158,786.44 - Step 5: Solve for x
x = 72,488,158,786.44/307,020.06 - Step 6: Final answer
x = 236,102.35
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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.