Finding the Fourth Proportional to 239,021.48, 358,753.88 and 120,775.84
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Solution
The fourth proportional to 239,021.48, 358,753.88 and 120,775.84 is: 181,275.76
Step by Step Solution
- Step 1: Write the proportion equation
239,021.48 : 358,753.88 = 120,775.84 : x - Step 2: Convert to fraction form
239,021.48/358,753.88 = 120,775.84/x - Step 3: Cross multiply
239,021.48x = 358,753.88 × 120,775.84 - Step 4: Simplify right side
239,021.48x = 43,328,801,210.26 - Step 5: Solve for x
x = 43,328,801,210.26/239,021.48 - Step 6: Final answer
x = 181,275.76
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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.