Finding the Fourth Proportional to 845,938.08, 1,268,965.44 and 246,904.20
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Solution
The fourth proportional to 845,938.08, 1,268,965.44 and 246,904.20 is: 370,373.32
Step by Step Solution
- Step 1: Write the proportion equation
845,938.08 : 1,268,965.44 = 246,904.20 : x - Step 2: Convert to fraction form
845,938.08/1,268,965.44 = 246,904.20/x - Step 3: Cross multiply
845,938.08x = 1,268,965.44 × 246,904.20 - Step 4: Simplify right side
845,938.08x = 313,312,896,790.85 - Step 5: Solve for x
x = 313,312,896,790.85/845,938.08 - Step 6: Final answer
x = 370,373.32
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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.