Finding the Fourth Proportional to 268,658.49, 370,739.33 and 147,798.48
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Solution
The fourth proportional to 268,658.49, 370,739.33 and 147,798.48 is: 203,956.74
Step by Step Solution
- Step 1: Write the proportion equation
268,658.49 : 370,739.33 = 147,798.48 : x - Step 2: Convert to fraction form
268,658.49/370,739.33 = 147,798.48/x - Step 3: Cross multiply
268,658.49x = 370,739.33 × 147,798.48 - Step 4: Simplify right side
268,658.49x = 54,794,708,711.23 - Step 5: Solve for x
x = 54,794,708,711.23/268,658.49 - Step 6: Final answer
x = 203,956.74
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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.