Finding the Fourth Proportional to 303,676.20, 455,525.10 and 93,313.80
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Solution
The fourth proportional to 303,676.20, 455,525.10 and 93,313.80 is: 139,974.02
Step by Step Solution
- Step 1: Write the proportion equation
303,676.20 : 455,525.10 = 93,313.80 : x - Step 2: Convert to fraction form
303,676.20/455,525.10 = 93,313.80/x - Step 3: Cross multiply
303,676.20x = 455,525.10 × 93,313.80 - Step 4: Simplify right side
303,676.20x = 42,506,778,076.38 - Step 5: Solve for x
x = 42,506,778,076.38/303,676.20 - Step 6: Final answer
x = 139,974.02
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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.