Finding the Fourth Proportional to 446,678.76, 616,167.18 and 274,477.08
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Solution
The fourth proportional to 446,678.76, 616,167.18 and 274,477.08 is: 378,625.05
Step by Step Solution
- Step 1: Write the proportion equation
446,678.76 : 616,167.18 = 274,477.08 : x - Step 2: Convert to fraction form
446,678.76/616,167.18 = 274,477.08/x - Step 3: Cross multiply
446,678.76x = 616,167.18 × 274,477.08 - Step 4: Simplify right side
446,678.76x = 169,123,768,358.23 - Step 5: Solve for x
x = 169,123,768,358.23/446,678.76 - Step 6: Final answer
x = 378,625.05
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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.