Finding the Fourth Proportional to 199,259.97, 274,973.28 and 108,617.71
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Solution
The fourth proportional to 199,259.97, 274,973.28 and 108,617.71 is: 149,889.45
Step by Step Solution
- Step 1: Write the proportion equation
199,259.97 : 274,973.28 = 108,617.71 : x - Step 2: Convert to fraction form
199,259.97/274,973.28 = 108,617.71/x - Step 3: Cross multiply
199,259.97x = 274,973.28 × 108,617.71 - Step 4: Simplify right side
199,259.97x = 29,866,966,609.92 - Step 5: Solve for x
x = 29,866,966,609.92/199,259.97 - Step 6: Final answer
x = 149,889.45
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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.