Finding the Fourth Proportional to 268,598.69, 370,658.36 and 147,739.94
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Solution
The fourth proportional to 268,598.69, 370,658.36 and 147,739.94 is: 203,876.80
Step by Step Solution
- Step 1: Write the proportion equation
268,598.69 : 370,658.36 = 147,739.94 : x - Step 2: Convert to fraction form
268,598.69/370,658.36 = 147,739.94/x - Step 3: Cross multiply
268,598.69x = 370,658.36 × 147,739.94 - Step 4: Simplify right side
268,598.69x = 54,761,041,274.91 - Step 5: Solve for x
x = 54,761,041,274.91/268,598.69 - Step 6: Final answer
x = 203,876.80
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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.