Finding the Fourth Proportional to 192,785.84, 266,044.40 and 107,902.88
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Solution
The fourth proportional to 192,785.84, 266,044.40 and 107,902.88 is: 148,905.94
Step by Step Solution
- Step 1: Write the proportion equation
192,785.84 : 266,044.40 = 107,902.88 : x - Step 2: Convert to fraction form
192,785.84/266,044.40 = 107,902.88/x - Step 3: Cross multiply
192,785.84x = 266,044.40 × 107,902.88 - Step 4: Simplify right side
192,785.84x = 28,706,956,967.87 - Step 5: Solve for x
x = 28,706,956,967.87/192,785.84 - Step 6: Final answer
x = 148,905.94
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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.