Finding the Fourth Proportional to 845,317.08, 1,267,980.66 and 214,232.76
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Solution
The fourth proportional to 845,317.08, 1,267,980.66 and 214,232.76 is: 321,350.42
Step by Step Solution
- Step 1: Write the proportion equation
845,317.08 : 1,267,980.66 = 214,232.76 : x - Step 2: Convert to fraction form
845,317.08/1,267,980.66 = 214,232.76/x - Step 3: Cross multiply
845,317.08x = 1,267,980.66 × 214,232.76 - Step 4: Simplify right side
845,317.08x = 271,642,996,418.42 - Step 5: Solve for x
x = 271,642,996,418.42/845,317.08 - Step 6: Final answer
x = 321,350.42
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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.