Finding the Fourth Proportional to 387,964.08, 581,800.92 and 135,179.68
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Solution
The fourth proportional to 387,964.08, 581,800.92 and 135,179.68 is: 202,718.93
Step by Step Solution
- Step 1: Write the proportion equation
387,964.08 : 581,800.92 = 135,179.68 : x - Step 2: Convert to fraction form
387,964.08/581,800.92 = 135,179.68/x - Step 3: Cross multiply
387,964.08x = 581,800.92 × 135,179.68 - Step 4: Simplify right side
387,964.08x = 78,647,662,189.31 - Step 5: Solve for x
x = 78,647,662,189.31/387,964.08 - Step 6: Final answer
x = 202,718.93
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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.