Finding the Fourth Proportional to 811,207.71, 1,216,718.60 and 212,226.67
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Solution
The fourth proportional to 811,207.71, 1,216,718.60 and 212,226.67 is: 318,315.68
Step by Step Solution
- Step 1: Write the proportion equation
811,207.71 : 1,216,718.60 = 212,226.67 : x - Step 2: Convert to fraction form
811,207.71/1,216,718.60 = 212,226.67/x - Step 3: Cross multiply
811,207.71x = 1,216,718.60 × 212,226.67 - Step 4: Simplify right side
811,207.71x = 258,220,136,805.06 - Step 5: Solve for x
x = 258,220,136,805.06/811,207.71 - Step 6: Final answer
x = 318,315.68
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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.