Finding the Fourth Proportional to 207,356.24, 286,238.28 and 140,327.12
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Solution
The fourth proportional to 207,356.24, 286,238.28 and 140,327.12 is: 193,710.08
Step by Step Solution
- Step 1: Write the proportion equation
207,356.24 : 286,238.28 = 140,327.12 : x - Step 2: Convert to fraction form
207,356.24/286,238.28 = 140,327.12/x - Step 3: Cross multiply
207,356.24x = 286,238.28 × 140,327.12 - Step 4: Simplify right side
207,356.24x = 40,166,993,466.15 - Step 5: Solve for x
x = 40,166,993,466.15/207,356.24 - Step 6: Final answer
x = 193,710.08
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1.5x scale
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.