Finding the Fourth Proportional to 178,967.13, 268,452.31 and 54,308.13
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Solution
The fourth proportional to 178,967.13, 268,452.31 and 54,308.13 is: 81,462.69
Step by Step Solution
- Step 1: Write the proportion equation
178,967.13 : 268,452.31 = 54,308.13 : x - Step 2: Convert to fraction form
178,967.13/268,452.31 = 54,308.13/x - Step 3: Cross multiply
178,967.13x = 268,452.31 × 54,308.13 - Step 4: Simplify right side
178,967.13x = 14,579,142,950.28 - Step 5: Solve for x
x = 14,579,142,950.28/178,967.13 - Step 6: Final answer
x = 81,462.69
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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.