Finding the Fourth Proportional to 411,815.99, 617,579.28 and 123,541.68
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Solution
The fourth proportional to 411,815.99, 617,579.28 and 123,541.68 is: 185,269.11
Step by Step Solution
- Step 1: Write the proportion equation
411,815.99 : 617,579.28 = 123,541.68 : x - Step 2: Convert to fraction form
411,815.99/617,579.28 = 123,541.68/x - Step 3: Cross multiply
411,815.99x = 617,579.28 × 123,541.68 - Step 4: Simplify right side
411,815.99x = 76,296,784,100.31 - Step 5: Solve for x
x = 76,296,784,100.31/411,815.99 - Step 6: Final answer
x = 185,269.11
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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.