Finding the Fourth Proportional to 343,058.56, 514,563.12 and 106,395.09
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Solution
The fourth proportional to 343,058.56, 514,563.12 and 106,395.09 is: 159,584.97
Step by Step Solution
- Step 1: Write the proportion equation
343,058.56 : 514,563.12 = 106,395.09 : x - Step 2: Convert to fraction form
343,058.56/514,563.12 = 106,395.09/x - Step 3: Cross multiply
343,058.56x = 514,563.12 × 106,395.09 - Step 4: Simplify right side
343,058.56x = 54,746,989,463.08 - Step 5: Solve for x
x = 54,746,989,463.08/343,058.56 - Step 6: Final answer
x = 159,584.97
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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.