Finding the Fourth Proportional to 153,349.12, 230,034.84 and 48,167.20
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Solution
The fourth proportional to 153,349.12, 230,034.84 and 48,167.20 is: 72,254.31
Step by Step Solution
- Step 1: Write the proportion equation
153,349.12 : 230,034.84 = 48,167.20 : x - Step 2: Convert to fraction form
153,349.12/230,034.84 = 48,167.20/x - Step 3: Cross multiply
153,349.12x = 230,034.84 × 48,167.20 - Step 4: Simplify right side
153,349.12x = 11,080,134,145.25 - Step 5: Solve for x
x = 11,080,134,145.25/153,349.12 - Step 6: Final answer
x = 72,254.31
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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.