Finding the Fourth Proportional to 493,310.68, 680,768.75 and 266,956.18
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Solution
The fourth proportional to 493,310.68, 680,768.75 and 266,956.18 is: 368,399.53
Step by Step Solution
- Step 1: Write the proportion equation
493,310.68 : 680,768.75 = 266,956.18 : x - Step 2: Convert to fraction form
493,310.68/680,768.75 = 266,956.18/x - Step 3: Cross multiply
493,310.68x = 680,768.75 × 266,956.18 - Step 4: Simplify right side
493,310.68x = 181,735,424,963.38 - Step 5: Solve for x
x = 181,735,424,963.38/493,310.68 - Step 6: Final answer
x = 368,399.53
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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.