Finding the Fourth Proportional to 314,472.35, 471,782.30 and 89,835.99
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Solution
The fourth proportional to 314,472.35, 471,782.30 and 89,835.99 is: 134,775.06
Step by Step Solution
- Step 1: Write the proportion equation
314,472.35 : 471,782.30 = 89,835.99 : x - Step 2: Convert to fraction form
314,472.35/471,782.30 = 89,835.99/x - Step 3: Cross multiply
314,472.35x = 471,782.30 × 89,835.99 - Step 4: Simplify right side
314,472.35x = 42,383,029,535.80 - Step 5: Solve for x
x = 42,383,029,535.80/314,472.35 - Step 6: Final answer
x = 134,775.06
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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.