Finding the Fourth Proportional to 158,346.81, 236,330.96 and 136,904.67
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Solution
The fourth proportional to 158,346.81, 236,330.96 and 136,904.67 is: 204,328.79
Step by Step Solution
- Step 1: Write the proportion equation
158,346.81 : 236,330.96 = 136,904.67 : x - Step 2: Convert to fraction form
158,346.81/236,330.96 = 136,904.67/x - Step 3: Cross multiply
158,346.81x = 236,330.96 × 136,904.67 - Step 4: Simplify right side
158,346.81x = 32,354,811,405.06 - Step 5: Solve for x
x = 32,354,811,405.06/158,346.81 - Step 6: Final answer
x = 204,328.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.