Finding the Fourth Proportional to 134,464.30, 201,696.45 and 128,013.10
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Solution
The fourth proportional to 134,464.30, 201,696.45 and 128,013.10 is: 192,019.65
Step by Step Solution
- Step 1: Write the proportion equation
134,464.30 : 201,696.45 = 128,013.10 : x - Step 2: Convert to fraction form
134,464.30/201,696.45 = 128,013.10/x - Step 3: Cross multiply
134,464.30x = 201,696.45 × 128,013.10 - Step 4: Simplify right side
134,464.30x = 25,819,787,823.50 - Step 5: Solve for x
x = 25,819,787,823.50/134,464.30 - Step 6: Final answer
x = 192,019.65
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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.