Finding the Fourth Proportional to 134,854.12, 202,279.02 and 51,748.12
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Solution
The fourth proportional to 134,854.12, 202,279.02 and 51,748.12 is: 77,621.35
Step by Step Solution
- Step 1: Write the proportion equation
134,854.12 : 202,279.02 = 51,748.12 : x - Step 2: Convert to fraction form
134,854.12/202,279.02 = 51,748.12/x - Step 3: Cross multiply
134,854.12x = 202,279.02 × 51,748.12 - Step 4: Simplify right side
134,854.12x = 10,467,559,000.44 - Step 5: Solve for x
x = 10,467,559,000.44/134,854.12 - Step 6: Final answer
x = 77,621.35
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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.