Finding the Fourth Proportional to 236,889.48, 326,898.18 and 129,460.80
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Solution
The fourth proportional to 236,889.48, 326,898.18 and 129,460.80 is: 178,650.82
Step by Step Solution
- Step 1: Write the proportion equation
236,889.48 : 326,898.18 = 129,460.80 : x - Step 2: Convert to fraction form
236,889.48/326,898.18 = 129,460.80/x - Step 3: Cross multiply
236,889.48x = 326,898.18 × 129,460.80 - Step 4: Simplify right side
236,889.48x = 42,320,499,901.34 - Step 5: Solve for x
x = 42,320,499,901.34/236,889.48 - Step 6: Final answer
x = 178,650.82
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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.