Finding the Fourth Proportional to 458,338.40, 632,623.26 and 313,202.94
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Solution
The fourth proportional to 458,338.40, 632,623.26 and 313,202.94 is: 432,299.51
Step by Step Solution
- Step 1: Write the proportion equation
458,338.40 : 632,623.26 = 313,202.94 : x - Step 2: Convert to fraction form
458,338.40/632,623.26 = 313,202.94/x - Step 3: Cross multiply
458,338.40x = 632,623.26 × 313,202.94 - Step 4: Simplify right side
458,338.40x = 198,139,464,944.38 - Step 5: Solve for x
x = 198,139,464,944.38/458,338.40 - Step 6: Final answer
x = 432,299.51
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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.