Finding the Fourth Proportional to 343,218.60, 514,925.10 and 106,585.20
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Solution
The fourth proportional to 343,218.60, 514,925.10 and 106,585.20 is: 159,907.99
Step by Step Solution
- Step 1: Write the proportion equation
343,218.60 : 514,925.10 = 106,585.20 : x - Step 2: Convert to fraction form
343,218.60/514,925.10 = 106,585.20/x - Step 3: Cross multiply
343,218.60x = 514,925.10 × 106,585.20 - Step 4: Simplify right side
343,218.60x = 54,883,394,768.52 - Step 5: Solve for x
x = 54,883,394,768.52/343,218.60 - Step 6: Final answer
x = 159,907.99
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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.