Finding the Fourth Proportional to 243,260.08, 364,887.60 and 77,048.08
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Solution
The fourth proportional to 243,260.08, 364,887.60 and 77,048.08 is: 115,571.32
Step by Step Solution
- Step 1: Write the proportion equation
243,260.08 : 364,887.60 = 77,048.08 : x - Step 2: Convert to fraction form
243,260.08/364,887.60 = 77,048.08/x - Step 3: Cross multiply
243,260.08x = 364,887.60 × 77,048.08 - Step 4: Simplify right side
243,260.08x = 28,113,888,995.81 - Step 5: Solve for x
x = 28,113,888,995.81/243,260.08 - Step 6: Final answer
x = 115,571.32
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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.