Finding the Fourth Proportional to 481,394.46, 664,345.12 and 266,534.53
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Solution
The fourth proportional to 481,394.46, 664,345.12 and 266,534.53 is: 367,829.15
Step by Step Solution
- Step 1: Write the proportion equation
481,394.46 : 664,345.12 = 266,534.53 : x - Step 2: Convert to fraction form
481,394.46/664,345.12 = 266,534.53/x - Step 3: Cross multiply
481,394.46x = 664,345.12 × 266,534.53 - Step 4: Simplify right side
481,394.46x = 177,070,914,316.99 - Step 5: Solve for x
x = 177,070,914,316.99/481,394.46 - Step 6: Final answer
x = 367,829.15
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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.