Finding the Fourth Proportional to 470,787.42, 649,672.94 and 266,857.09
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Solution
The fourth proportional to 470,787.42, 649,672.94 and 266,857.09 is: 368,255.02
Step by Step Solution
- Step 1: Write the proportion equation
470,787.42 : 649,672.94 = 266,857.09 : x - Step 2: Convert to fraction form
470,787.42/649,672.94 = 266,857.09/x - Step 3: Cross multiply
470,787.42x = 649,672.94 × 266,857.09 - Step 4: Simplify right side
470,787.42x = 173,369,830,510.04 - Step 5: Solve for x
x = 173,369,830,510.04/470,787.42 - Step 6: Final answer
x = 368,255.02
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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.