Finding the Fourth Proportional to 229,647.92, 316,913.70 and 127,682.80
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Solution
The fourth proportional to 229,647.92, 316,913.70 and 127,682.80 is: 176,202.02
Step by Step Solution
- Step 1: Write the proportion equation
229,647.92 : 316,913.70 = 127,682.80 : x - Step 2: Convert to fraction form
229,647.92/316,913.70 = 127,682.80/x - Step 3: Cross multiply
229,647.92x = 316,913.70 × 127,682.80 - Step 4: Simplify right side
229,647.92x = 40,464,427,782.08 - Step 5: Solve for x
x = 40,464,427,782.08/229,647.92 - Step 6: Final answer
x = 176,202.02
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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.