Finding the Fourth Proportional to 236,875.22, 326,873.90 and 129,446.08
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Solution
The fourth proportional to 236,875.22, 326,873.90 and 129,446.08 is: 178,627.99
Step by Step Solution
- Step 1: Write the proportion equation
236,875.22 : 326,873.90 = 129,446.08 : x - Step 2: Convert to fraction form
236,875.22/326,873.90 = 129,446.08/x - Step 3: Cross multiply
236,875.22x = 326,873.90 × 129,446.08 - Step 4: Simplify right side
236,875.22x = 42,312,545,009.31 - Step 5: Solve for x
x = 42,312,545,009.31/236,875.22 - Step 6: Final answer
x = 178,627.99
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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.