Finding the Fourth Proportional to 145,880.59, 201,120.24 and 109,427.08
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Solution
The fourth proportional to 145,880.59, 201,120.24 and 109,427.08 is: 150,863.12
Step by Step Solution
- Step 1: Write the proportion equation
145,880.59 : 201,120.24 = 109,427.08 : x - Step 2: Convert to fraction form
145,880.59/201,120.24 = 109,427.08/x - Step 3: Cross multiply
145,880.59x = 201,120.24 × 109,427.08 - Step 4: Simplify right side
145,880.59x = 22,008,000,089.30 - Step 5: Solve for x
x = 22,008,000,089.30/145,880.59 - Step 6: Final answer
x = 150,863.12
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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.