Finding the Fourth Proportional to 755,972.97, 1,133,931.11 and 187,355.94
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Solution
The fourth proportional to 755,972.97, 1,133,931.11 and 187,355.94 is: 281,026.88
Step by Step Solution
- Step 1: Write the proportion equation
755,972.97 : 1,133,931.11 = 187,355.94 : x - Step 2: Convert to fraction form
755,972.97/1,133,931.11 = 187,355.94/x - Step 3: Cross multiply
755,972.97x = 1,133,931.11 × 187,355.94 - Step 4: Simplify right side
755,972.97x = 212,448,728,072.51 - Step 5: Solve for x
x = 212,448,728,072.51/755,972.97 - Step 6: Final answer
x = 281,026.88
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1.5x scale
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.