Finding the Fourth Proportional to 126,291.96, 174,282.24 and 69,706.80
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Solution
The fourth proportional to 126,291.96, 174,282.24 and 69,706.80 is: 96,195.02
Step by Step Solution
- Step 1: Write the proportion equation
126,291.96 : 174,282.24 = 69,706.80 : x - Step 2: Convert to fraction form
126,291.96/174,282.24 = 69,706.80/x - Step 3: Cross multiply
126,291.96x = 174,282.24 × 69,706.80 - Step 4: Simplify right side
126,291.96x = 12,148,657,247.23 - Step 5: Solve for x
x = 12,148,657,247.23/126,291.96 - Step 6: Final answer
x = 96,195.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.