Finding the Fourth Proportional to 214,317.89, 321,494.36 and 107,646.99
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Solution
The fourth proportional to 214,317.89, 321,494.36 and 107,646.99 is: 161,479.29
Step by Step Solution
- Step 1: Write the proportion equation
214,317.89 : 321,494.36 = 107,646.99 : x - Step 2: Convert to fraction form
214,317.89/321,494.36 = 107,646.99/x - Step 3: Cross multiply
214,317.89x = 321,494.36 × 107,646.99 - Step 4: Simplify right side
214,317.89x = 34,607,899,617.74 - Step 5: Solve for x
x = 34,607,899,617.74/214,317.89 - Step 6: Final answer
x = 161,479.29
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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.