Finding the Fourth Proportional to 811,063.06, 1,216,663.79 and 212,023.26
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Solution
The fourth proportional to 811,063.06, 1,216,663.79 and 212,023.26 is: 318,052.98
Step by Step Solution
- Step 1: Write the proportion equation
811,063.06 : 1,216,663.79 = 212,023.26 : x - Step 2: Convert to fraction form
811,063.06/1,216,663.79 = 212,023.26/x - Step 3: Cross multiply
811,063.06x = 1,216,663.79 × 212,023.26 - Step 4: Simplify right side
811,063.06x = 257,961,023,079.76 - Step 5: Solve for x
x = 257,961,023,079.76/811,063.06 - Step 6: Final answer
x = 318,052.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.