Finding the Fourth Proportional to 472,091.29, 651,467.68 and 257,232.96
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Solution
The fourth proportional to 472,091.29, 651,467.68 and 257,232.96 is: 354,971.51
Step by Step Solution
- Step 1: Write the proportion equation
472,091.29 : 651,467.68 = 257,232.96 : x - Step 2: Convert to fraction form
472,091.29/651,467.68 = 257,232.96/x - Step 3: Cross multiply
472,091.29x = 651,467.68 × 257,232.96 - Step 4: Simplify right side
472,091.29x = 167,578,959,670.73 - Step 5: Solve for x
x = 167,578,959,670.73/472,091.29 - Step 6: Final answer
x = 354,971.51
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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.