Finding the Fourth Proportional to 228,349.44, 342,731.94 and 121,823.70
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Solution
The fourth proportional to 228,349.44, 342,731.94 and 121,823.70 is: 182,846.40
Step by Step Solution
- Step 1: Write the proportion equation
228,349.44 : 342,731.94 = 121,823.70 : x - Step 2: Convert to fraction form
228,349.44/342,731.94 = 121,823.70/x - Step 3: Cross multiply
228,349.44x = 342,731.94 × 121,823.70 - Step 4: Simplify right side
228,349.44x = 41,752,873,038.98 - Step 5: Solve for x
x = 41,752,873,038.98/228,349.44 - Step 6: Final answer
x = 182,846.40
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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.