Finding the Fourth Proportional to 217,149.68, 325,673.04 and 122,421.80
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Solution
The fourth proportional to 217,149.68, 325,673.04 and 122,421.80 is: 183,603.68
Step by Step Solution
- Step 1: Write the proportion equation
217,149.68 : 325,673.04 = 122,421.80 : x - Step 2: Convert to fraction form
217,149.68/325,673.04 = 122,421.80/x - Step 3: Cross multiply
217,149.68x = 325,673.04 × 122,421.80 - Step 4: Simplify right side
217,149.68x = 39,869,479,768.27 - Step 5: Solve for x
x = 39,869,479,768.27/217,149.68 - Step 6: Final answer
x = 183,603.68
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1.5x scale
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.