Finding the Fourth Proportional to 201,981.80, 302,972.70 and 152,409.80
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Solution
The fourth proportional to 201,981.80, 302,972.70 and 152,409.80 is: 228,614.70
Step by Step Solution
- Step 1: Write the proportion equation
201,981.80 : 302,972.70 = 152,409.80 : x - Step 2: Convert to fraction form
201,981.80/302,972.70 = 152,409.80/x - Step 3: Cross multiply
201,981.80x = 302,972.70 × 152,409.80 - Step 4: Simplify right side
201,981.80x = 46,176,008,612.46 - Step 5: Solve for x
x = 46,176,008,612.46/201,981.80 - Step 6: Final answer
x = 228,614.70
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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.