Finding the Fourth Proportional to 145,650.71, 218,388.58 and 56,945.99
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Solution
The fourth proportional to 145,650.71, 218,388.58 and 56,945.99 is: 85,384.78
Step by Step Solution
- Step 1: Write the proportion equation
145,650.71 : 218,388.58 = 56,945.99 : x - Step 2: Convert to fraction form
145,650.71/218,388.58 = 56,945.99/x - Step 3: Cross multiply
145,650.71x = 218,388.58 × 56,945.99 - Step 4: Simplify right side
145,650.71x = 12,436,353,228.13 - Step 5: Solve for x
x = 12,436,353,228.13/145,650.71 - Step 6: Final answer
x = 85,384.78
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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.