Finding the Fourth Proportional to 493,310.71, 680,768.73 and 266,956.21
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Solution
The fourth proportional to 493,310.71, 680,768.73 and 266,956.21 is: 368,399.54
Step by Step Solution
- Step 1: Write the proportion equation
493,310.71 : 680,768.73 = 266,956.21 : x - Step 2: Convert to fraction form
493,310.71/680,768.73 = 266,956.21/x - Step 3: Cross multiply
493,310.71x = 680,768.73 × 266,956.21 - Step 4: Simplify right side
493,310.71x = 181,735,440,047.31 - Step 5: Solve for x
x = 181,735,440,047.31/493,310.71 - Step 6: Final answer
x = 368,399.54
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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.