Finding the Fourth Proportional to 296,331.40, 444,638.58 and 138,536.92
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Solution
The fourth proportional to 296,331.40, 444,638.58 and 138,536.92 is: 207,871.52
Step by Step Solution
- Step 1: Write the proportion equation
296,331.40 : 444,638.58 = 138,536.92 : x - Step 2: Convert to fraction form
296,331.40/444,638.58 = 138,536.92/x - Step 3: Cross multiply
296,331.40x = 444,638.58 × 138,536.92 - Step 4: Simplify right side
296,331.40x = 61,598,859,386.37 - Step 5: Solve for x
x = 61,598,859,386.37/296,331.40 - Step 6: Final answer
x = 207,871.52
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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.