Finding the Fourth Proportional to 234,143.74, 323,119.16 and 126,713.74
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Solution
The fourth proportional to 234,143.74, 323,119.16 and 126,713.74 is: 174,865.39
Step by Step Solution
- Step 1: Write the proportion equation
234,143.74 : 323,119.16 = 126,713.74 : x - Step 2: Convert to fraction form
234,143.74/323,119.16 = 126,713.74/x - Step 3: Cross multiply
234,143.74x = 323,119.16 × 126,713.74 - Step 4: Simplify right side
234,143.74x = 40,943,637,229.26 - Step 5: Solve for x
x = 40,943,637,229.26/234,143.74 - Step 6: Final answer
x = 174,865.39
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1.5x scale
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.