Finding the Fourth Proportional to 205,972.70, 288,776.50 and 205,972.70
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Solution
The fourth proportional to 205,972.70, 288,776.50 and 205,972.70 is: 288,776.50
Step by Step Solution
- Step 1: Write the proportion equation
205,972.70 : 288,776.50 = 205,972.70 : x - Step 2: Convert to fraction form
205,972.70/288,776.50 = 205,972.70/x - Step 3: Cross multiply
205,972.70x = 288,776.50 × 205,972.70 - Step 4: Simplify right side
205,972.70x = 59,480,075,401.55 - Step 5: Solve for x
x = 59,480,075,401.55/205,972.70 - Step 6: Final answer
x = 288,776.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.