Finding the Fourth Proportional to 465,857.10, 642,867.91 and 261,916.65
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Solution
The fourth proportional to 465,857.10, 642,867.91 and 261,916.65 is: 361,436.61
Step by Step Solution
- Step 1: Write the proportion equation
465,857.10 : 642,867.91 = 261,916.65 : x - Step 2: Convert to fraction form
465,857.10/642,867.91 = 261,916.65/x - Step 3: Cross multiply
465,857.10x = 642,867.91 × 261,916.65 - Step 4: Simplify right side
465,857.10x = 168,377,808,724.91 - Step 5: Solve for x
x = 168,377,808,724.91/465,857.10 - Step 6: Final answer
x = 361,436.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.