Finding the Fourth Proportional to 455,207.69, 628,186.67 and 251,258.67
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Solution
The fourth proportional to 455,207.69, 628,186.67 and 251,258.67 is: 346,736.99
Step by Step Solution
- Step 1: Write the proportion equation
455,207.69 : 628,186.67 = 251,258.67 : x - Step 2: Convert to fraction form
455,207.69/628,186.67 = 251,258.67/x - Step 3: Cross multiply
455,207.69x = 628,186.67 × 251,258.67 - Step 4: Simplify right side
455,207.69x = 157,837,343,600.24 - Step 5: Solve for x
x = 157,837,343,600.24/455,207.69 - Step 6: Final answer
x = 346,736.99
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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.