Finding the Fourth Proportional to 134,139.76, 201,209.68 and 49,888.92
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Solution
The fourth proportional to 134,139.76, 201,209.68 and 49,888.92 is: 74,833.39
Step by Step Solution
- Step 1: Write the proportion equation
134,139.76 : 201,209.68 = 49,888.92 : x - Step 2: Convert to fraction form
134,139.76/201,209.68 = 49,888.92/x - Step 3: Cross multiply
134,139.76x = 201,209.68 × 49,888.92 - Step 4: Simplify right side
134,139.76x = 10,038,133,628.75 - Step 5: Solve for x
x = 10,038,133,628.75/134,139.76 - Step 6: Final answer
x = 74,833.39
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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.