Finding the Fourth Proportional to 314,435.92, 433,918.96 and 171,195.68
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Solution
The fourth proportional to 314,435.92, 433,918.96 and 171,195.68 is: 236,248.62
Step by Step Solution
- Step 1: Write the proportion equation
314,435.92 : 433,918.96 = 171,195.68 : x - Step 2: Convert to fraction form
314,435.92/433,918.96 = 171,195.68/x - Step 3: Cross multiply
314,435.92x = 433,918.96 × 171,195.68 - Step 4: Simplify right side
314,435.92x = 74,285,051,422.09 - Step 5: Solve for x
x = 74,285,051,422.09/314,435.92 - Step 6: Final answer
x = 236,248.62
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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.