Finding the Fourth Proportional to 343,316.28, 514,873.62 and 132,903.96
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Solution
The fourth proportional to 343,316.28, 514,873.62 and 132,903.96 is: 199,316.92
Step by Step Solution
- Step 1: Write the proportion equation
343,316.28 : 514,873.62 = 132,903.96 : x - Step 2: Convert to fraction form
343,316.28/514,873.62 = 132,903.96/x - Step 3: Cross multiply
343,316.28x = 514,873.62 × 132,903.96 - Step 4: Simplify right side
343,316.28x = 68,428,742,997.54 - Step 5: Solve for x
x = 68,428,742,997.54/343,316.28 - Step 6: Final answer
x = 199,316.92
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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.