Finding the Fourth Proportional to 302,992.92, 454,508.01 and 125,513.82
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Solution
The fourth proportional to 302,992.92, 454,508.01 and 125,513.82 is: 188,278.45
Step by Step Solution
- Step 1: Write the proportion equation
302,992.92 : 454,508.01 = 125,513.82 : x - Step 2: Convert to fraction form
302,992.92/454,508.01 = 125,513.82/x - Step 3: Cross multiply
302,992.92x = 454,508.01 × 125,513.82 - Step 4: Simplify right side
302,992.92x = 57,047,036,555.70 - Step 5: Solve for x
x = 57,047,036,555.70/302,992.92 - Step 6: Final answer
x = 188,278.45
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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.