Finding the Fourth Proportional to 243,336.63, 365,004.95 and 77,124.63
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Solution
The fourth proportional to 243,336.63, 365,004.95 and 77,124.63 is: 115,686.95
Step by Step Solution
- Step 1: Write the proportion equation
243,336.63 : 365,004.95 = 77,124.63 : x - Step 2: Convert to fraction form
243,336.63/365,004.95 = 77,124.63/x - Step 3: Cross multiply
243,336.63x = 365,004.95 × 77,124.63 - Step 4: Simplify right side
243,336.63x = 28,150,871,716.92 - Step 5: Solve for x
x = 28,150,871,716.92/243,336.63 - Step 6: Final answer
x = 115,686.95
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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.