Finding the Fourth Proportional to 162,905.09, 245,467.49 and 133,971.08
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Solution
The fourth proportional to 162,905.09, 245,467.49 and 133,971.08 is: 201,869.35
Step by Step Solution
- Step 1: Write the proportion equation
162,905.09 : 245,467.49 = 133,971.08 : x - Step 2: Convert to fraction form
162,905.09/245,467.49 = 133,971.08/x - Step 3: Cross multiply
162,905.09x = 245,467.49 × 133,971.08 - Step 4: Simplify right side
162,905.09x = 32,885,543,345.39 - Step 5: Solve for x
x = 32,885,543,345.39/162,905.09 - Step 6: Final answer
x = 201,869.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.