Finding the Fourth Proportional to 486,746.49, 671,723.79 and 268,969.23
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Solution
The fourth proportional to 486,746.49, 671,723.79 and 268,969.23 is: 371,185.07
Step by Step Solution
- Step 1: Write the proportion equation
486,746.49 : 671,723.79 = 268,969.23 : x - Step 2: Convert to fraction form
486,746.49/671,723.79 = 268,969.23/x - Step 3: Cross multiply
486,746.49x = 671,723.79 × 268,969.23 - Step 4: Simplify right side
486,746.49x = 180,673,030,568.98 - Step 5: Solve for x
x = 180,673,030,568.98/486,746.49 - Step 6: Final answer
x = 371,185.07
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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.