Finding the Fourth Proportional to 378,363.97, 567,378.99 and 108,430.85
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Solution
The fourth proportional to 378,363.97, 567,378.99 and 108,430.85 is: 162,598.43
Step by Step Solution
- Step 1: Write the proportion equation
378,363.97 : 567,378.99 = 108,430.85 : x - Step 2: Convert to fraction form
378,363.97/567,378.99 = 108,430.85/x - Step 3: Cross multiply
378,363.97x = 567,378.99 × 108,430.85 - Step 4: Simplify right side
378,363.97x = 61,521,386,157.84 - Step 5: Solve for x
x = 61,521,386,157.84/378,363.97 - Step 6: Final answer
x = 162,598.43
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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.