Finding the Fourth Proportional to 154,800.06, 213,624.15 and 91,177.02
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Solution
The fourth proportional to 154,800.06, 213,624.15 and 91,177.02 is: 125,824.33
Step by Step Solution
- Step 1: Write the proportion equation
154,800.06 : 213,624.15 = 91,177.02 : x - Step 2: Convert to fraction form
154,800.06/213,624.15 = 91,177.02/x - Step 3: Cross multiply
154,800.06x = 213,624.15 × 91,177.02 - Step 4: Simplify right side
154,800.06x = 19,477,613,397.03 - Step 5: Solve for x
x = 19,477,613,397.03/154,800.06 - Step 6: Final answer
x = 125,824.33
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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.