Finding the Fourth Proportional to 304,883.80, 457,325.70 and 138,671.80
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Solution
The fourth proportional to 304,883.80, 457,325.70 and 138,671.80 is: 208,007.70
Step by Step Solution
- Step 1: Write the proportion equation
304,883.80 : 457,325.70 = 138,671.80 : x - Step 2: Convert to fraction form
304,883.80/457,325.70 = 138,671.80/x - Step 3: Cross multiply
304,883.80x = 457,325.70 × 138,671.80 - Step 4: Simplify right side
304,883.80x = 63,418,178,005.26 - Step 5: Solve for x
x = 63,418,178,005.26/304,883.80 - Step 6: Final answer
x = 208,007.70
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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.