Finding the Fourth Proportional to 476,610.36, 714,915.08 and 121,624.38
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Solution
The fourth proportional to 476,610.36, 714,915.08 and 121,624.38 is: 182,436.45
Step by Step Solution
- Step 1: Write the proportion equation
476,610.36 : 714,915.08 = 121,624.38 : x - Step 2: Convert to fraction form
476,610.36/714,915.08 = 121,624.38/x - Step 3: Cross multiply
476,610.36x = 714,915.08 × 121,624.38 - Step 4: Simplify right side
476,610.36x = 86,951,103,357.65 - Step 5: Solve for x
x = 86,951,103,357.65/476,610.36 - Step 6: Final answer
x = 182,436.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.