Finding the Fourth Proportional to 615,676.30, 923,606.80 and 216,246.68
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Solution
The fourth proportional to 615,676.30, 923,606.80 and 216,246.68 is: 324,402.46
Step by Step Solution
- Step 1: Write the proportion equation
615,676.30 : 923,606.80 = 216,246.68 : x - Step 2: Convert to fraction form
615,676.30/923,606.80 = 216,246.68/x - Step 3: Cross multiply
615,676.30x = 923,606.80 × 216,246.68 - Step 4: Simplify right side
615,676.30x = 199,726,904,125.42 - Step 5: Solve for x
x = 199,726,904,125.42/615,676.30 - Step 6: Final answer
x = 324,402.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.