Finding the Fourth Proportional to 658,331.84, 987,396.84 and 208,994.46
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Solution
The fourth proportional to 658,331.84, 987,396.84 and 208,994.46 is: 313,459.65
Step by Step Solution
- Step 1: Write the proportion equation
658,331.84 : 987,396.84 = 208,994.46 : x - Step 2: Convert to fraction form
658,331.84/987,396.84 = 208,994.46/x - Step 3: Cross multiply
658,331.84x = 987,396.84 × 208,994.46 - Step 4: Simplify right side
658,331.84x = 206,360,469,381.51 - Step 5: Solve for x
x = 206,360,469,381.51/658,331.84 - Step 6: Final answer
x = 313,459.65
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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.