Finding the Fourth Proportional to 228,798.36, 342,955.56 and 84,611.53
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Solution
The fourth proportional to 228,798.36, 342,955.56 and 84,611.53 is: 126,827.80
Step by Step Solution
- Step 1: Write the proportion equation
228,798.36 : 342,955.56 = 84,611.53 : x - Step 2: Convert to fraction form
228,798.36/342,955.56 = 84,611.53/x - Step 3: Cross multiply
228,798.36x = 342,955.56 × 84,611.53 - Step 4: Simplify right side
228,798.36x = 29,017,992,938.83 - Step 5: Solve for x
x = 29,017,992,938.83/228,798.36 - Step 6: Final answer
x = 126,827.80
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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.