Finding the Fourth Proportional to 458,338.30, 632,623.12 and 313,202.84
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Solution
The fourth proportional to 458,338.30, 632,623.12 and 313,202.84 is: 432,299.37
Step by Step Solution
- Step 1: Write the proportion equation
458,338.30 : 632,623.12 = 313,202.84 : x - Step 2: Convert to fraction form
458,338.30/632,623.12 = 313,202.84/x - Step 3: Cross multiply
458,338.30x = 632,623.12 × 313,202.84 - Step 4: Simplify right side
458,338.30x = 198,139,357,833.66 - Step 5: Solve for x
x = 198,139,357,833.66/458,338.30 - Step 6: Final answer
x = 432,299.37
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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.