Finding the Fourth Proportional to 134,954.10, 202,258.35 and 103,634.10
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Solution
The fourth proportional to 134,954.10, 202,258.35 and 103,634.10 is: 155,318.45
Step by Step Solution
- Step 1: Write the proportion equation
134,954.10 : 202,258.35 = 103,634.10 : x - Step 2: Convert to fraction form
134,954.10/202,258.35 = 103,634.10/x - Step 3: Cross multiply
134,954.10x = 202,258.35 × 103,634.10 - Step 4: Simplify right side
134,954.10x = 20,960,862,069.74 - Step 5: Solve for x
x = 20,960,862,069.74/134,954.10 - Step 6: Final answer
x = 155,318.45
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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.