Finding the Fourth Proportional to 343,246.40, 514,918.20 and 106,564.40
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Solution
The fourth proportional to 343,246.40, 514,918.20 and 106,564.40 is: 159,861.69
Step by Step Solution
- Step 1: Write the proportion equation
343,246.40 : 514,918.20 = 106,564.40 : x - Step 2: Convert to fraction form
343,246.40/514,918.20 = 106,564.40/x - Step 3: Cross multiply
343,246.40x = 514,918.20 × 106,564.40 - Step 4: Simplify right side
343,246.40x = 54,871,949,032.08 - Step 5: Solve for x
x = 54,871,949,032.08/343,246.40 - Step 6: Final answer
x = 159,861.69
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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.