Finding the Fourth Proportional to 384,769.41, 577,154.12 and 104,286.66
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Solution
The fourth proportional to 384,769.41, 577,154.12 and 104,286.66 is: 156,429.99
Step by Step Solution
- Step 1: Write the proportion equation
384,769.41 : 577,154.12 = 104,286.66 : x - Step 2: Convert to fraction form
384,769.41/577,154.12 = 104,286.66/x - Step 3: Cross multiply
384,769.41x = 577,154.12 × 104,286.66 - Step 4: Simplify right side
384,769.41x = 60,189,475,480.04 - Step 5: Solve for x
x = 60,189,475,480.04/384,769.41 - Step 6: Final answer
x = 156,429.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.