Finding the Fourth Proportional to 481,669.07, 664,703.28 and 266,823.05
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Solution
The fourth proportional to 481,669.07, 664,703.28 and 266,823.05 is: 368,215.79
Step by Step Solution
- Step 1: Write the proportion equation
481,669.07 : 664,703.28 = 266,823.05 : x - Step 2: Convert to fraction form
481,669.07/664,703.28 = 266,823.05/x - Step 3: Cross multiply
481,669.07x = 664,703.28 × 266,823.05 - Step 4: Simplify right side
481,669.07x = 177,358,153,191.09 - Step 5: Solve for x
x = 177,358,153,191.09/481,669.07 - Step 6: Final answer
x = 368,215.79
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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.