Finding the Fourth Proportional to 498,533.36, 747,643.18 and 161,495.81
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Solution
The fourth proportional to 498,533.36, 747,643.18 and 161,495.81 is: 242,192.90
Step by Step Solution
- Step 1: Write the proportion equation
498,533.36 : 747,643.18 = 161,495.81 : x - Step 2: Convert to fraction form
498,533.36/747,643.18 = 161,495.81/x - Step 3: Cross multiply
498,533.36x = 747,643.18 × 161,495.81 - Step 4: Simplify right side
498,533.36x = 120,741,240,945.08 - Step 5: Solve for x
x = 120,741,240,945.08/498,533.36 - Step 6: Final answer
x = 242,192.90
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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.