Finding the Fourth Proportional to 163,905.24, 245,974.50 and 126,502.68
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Solution
The fourth proportional to 163,905.24, 245,974.50 and 126,502.68 is: 189,844.04
Step by Step Solution
- Step 1: Write the proportion equation
163,905.24 : 245,974.50 = 126,502.68 : x - Step 2: Convert to fraction form
163,905.24/245,974.50 = 126,502.68/x - Step 3: Cross multiply
163,905.24x = 245,974.50 × 126,502.68 - Step 4: Simplify right side
163,905.24x = 31,116,433,461.66 - Step 5: Solve for x
x = 31,116,433,461.66/163,905.24 - Step 6: Final answer
x = 189,844.04
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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.