Finding the Fourth Proportional to 553,858.10, 830,787.08 and 133,133.97
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Solution
The fourth proportional to 553,858.10, 830,787.08 and 133,133.97 is: 199,700.94
Step by Step Solution
- Step 1: Write the proportion equation
553,858.10 : 830,787.08 = 133,133.97 : x - Step 2: Convert to fraction form
553,858.10/830,787.08 = 133,133.97/x - Step 3: Cross multiply
553,858.10x = 830,787.08 × 133,133.97 - Step 4: Simplify right side
553,858.10x = 110,605,981,519.44 - Step 5: Solve for x
x = 110,605,981,519.44/553,858.10 - Step 6: Final answer
x = 199,700.94
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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.