Finding the Fourth Proportional to 303,416.70, 455,125.05 and 93,027.30
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Solution
The fourth proportional to 303,416.70, 455,125.05 and 93,027.30 is: 139,540.95
Step by Step Solution
- Step 1: Write the proportion equation
303,416.70 : 455,125.05 = 93,027.30 : x - Step 2: Convert to fraction form
303,416.70/455,125.05 = 93,027.30/x - Step 3: Cross multiply
303,416.70x = 455,125.05 × 93,027.30 - Step 4: Simplify right side
303,416.70x = 42,339,054,563.87 - Step 5: Solve for x
x = 42,339,054,563.87/303,416.70 - Step 6: Final answer
x = 139,540.95
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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.