Finding the Fourth Proportional to 845,753.19, 1,268,634.05 and 214,667.21
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Solution
The fourth proportional to 845,753.19, 1,268,634.05 and 214,667.21 is: 322,001.89
Step by Step Solution
- Step 1: Write the proportion equation
845,753.19 : 1,268,634.05 = 214,667.21 : x - Step 2: Convert to fraction form
845,753.19/1,268,634.05 = 214,667.21/x - Step 3: Cross multiply
845,753.19x = 1,268,634.05 × 214,667.21 - Step 4: Simplify right side
845,753.19x = 272,334,124,607.99 - Step 5: Solve for x
x = 272,334,124,607.99/845,753.19 - Step 6: Final answer
x = 322,001.89
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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.