Finding the Fourth Proportional to 162,903.96, 245,465.80 and 133,969.95
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Solution
The fourth proportional to 162,903.96, 245,465.80 and 133,969.95 is: 201,867.66
Step by Step Solution
- Step 1: Write the proportion equation
162,903.96 : 245,465.80 = 133,969.95 : x - Step 2: Convert to fraction form
162,903.96/245,465.80 = 133,969.95/x - Step 3: Cross multiply
162,903.96x = 245,465.80 × 133,969.95 - Step 4: Simplify right side
162,903.96x = 32,885,040,617.79 - Step 5: Solve for x
x = 32,885,040,617.79/162,903.96 - Step 6: Final answer
x = 201,867.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.