Finding the Fourth Proportional to 396,349.42, 594,271.26 and 261,257.53
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Solution
The fourth proportional to 396,349.42, 594,271.26 and 261,257.53 is: 391,719.61
Step by Step Solution
- Step 1: Write the proportion equation
396,349.42 : 594,271.26 = 261,257.53 : x - Step 2: Convert to fraction form
396,349.42/594,271.26 = 261,257.53/x - Step 3: Cross multiply
396,349.42x = 594,271.26 × 261,257.53 - Step 4: Simplify right side
396,349.42x = 155,257,841,537.59 - Step 5: Solve for x
x = 155,257,841,537.59/396,349.42 - Step 6: Final answer
x = 391,719.61
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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.