Finding the Fourth Proportional to 228,664.40, 342,858.08 and 102,281.09
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Solution
The fourth proportional to 228,664.40, 342,858.08 and 102,281.09 is: 153,359.68
Step by Step Solution
- Step 1: Write the proportion equation
228,664.40 : 342,858.08 = 102,281.09 : x - Step 2: Convert to fraction form
228,664.40/342,858.08 = 102,281.09/x - Step 3: Cross multiply
228,664.40x = 342,858.08 × 102,281.09 - Step 4: Simplify right side
228,664.40x = 35,067,898,137.71 - Step 5: Solve for x
x = 35,067,898,137.71/228,664.40 - Step 6: Final answer
x = 153,359.68
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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.