Finding the Fourth Proportional to 239,586.21, 330,613.65 and 132,156.99
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Solution
The fourth proportional to 239,586.21, 330,613.65 and 132,156.99 is: 182,368.20
Step by Step Solution
- Step 1: Write the proportion equation
239,586.21 : 330,613.65 = 132,156.99 : x - Step 2: Convert to fraction form
239,586.21/330,613.65 = 132,156.99/x - Step 3: Cross multiply
239,586.21x = 330,613.65 × 132,156.99 - Step 4: Simplify right side
239,586.21x = 43,692,904,836.91 - Step 5: Solve for x
x = 43,692,904,836.91/239,586.21 - Step 6: Final answer
x = 182,368.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.