Finding the Fourth Proportional to 832,989.40, 1,249,479.97 and 201,903.21
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Solution
The fourth proportional to 832,989.40, 1,249,479.97 and 201,903.21 is: 302,853.81
Step by Step Solution
- Step 1: Write the proportion equation
832,989.40 : 1,249,479.97 = 201,903.21 : x - Step 2: Convert to fraction form
832,989.40/1,249,479.97 = 201,903.21/x - Step 3: Cross multiply
832,989.40x = 1,249,479.97 × 201,903.21 - Step 4: Simplify right side
832,989.40x = 252,274,016,268.95 - Step 5: Solve for x
x = 252,274,016,268.95/832,989.40 - Step 6: Final answer
x = 302,853.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.