Finding the Fourth Proportional to 134,509.80, 201,764.70 and 36,013.80
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Solution
The fourth proportional to 134,509.80, 201,764.70 and 36,013.80 is: 54,020.70
Step by Step Solution
- Step 1: Write the proportion equation
134,509.80 : 201,764.70 = 36,013.80 : x - Step 2: Convert to fraction form
134,509.80/201,764.70 = 36,013.80/x - Step 3: Cross multiply
134,509.80x = 201,764.70 × 36,013.80 - Step 4: Simplify right side
134,509.80x = 7,266,313,552.86 - Step 5: Solve for x
x = 7,266,313,552.86/134,509.80 - Step 6: Final answer
x = 54,020.70
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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.