Finding the Fourth Proportional to 352,443.91, 486,373.08 and 191,298.99
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Solution
The fourth proportional to 352,443.91, 486,373.08 and 191,298.99 is: 263,992.87
Step by Step Solution
- Step 1: Write the proportion equation
352,443.91 : 486,373.08 = 191,298.99 : x - Step 2: Convert to fraction form
352,443.91/486,373.08 = 191,298.99/x - Step 3: Cross multiply
352,443.91x = 486,373.08 × 191,298.99 - Step 4: Simplify right side
352,443.91x = 93,042,676,535.32 - Step 5: Solve for x
x = 93,042,676,535.32/352,443.91 - Step 6: Final answer
x = 263,992.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.