Finding the Fourth Proportional to 387,887.76, 581,832.36 and 121,668.92
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Solution
The fourth proportional to 387,887.76, 581,832.36 and 121,668.92 is: 182,503.60
Step by Step Solution
- Step 1: Write the proportion equation
387,887.76 : 581,832.36 = 121,668.92 : x - Step 2: Convert to fraction form
387,887.76/581,832.36 = 121,668.92/x - Step 3: Cross multiply
387,887.76x = 581,832.36 × 121,668.92 - Step 4: Simplify right side
387,887.76x = 70,790,911,953.09 - Step 5: Solve for x
x = 70,790,911,953.09/387,887.76 - Step 6: Final answer
x = 182,503.60
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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.