Finding the Fourth Proportional to 456,579.14, 684,898.76 and 119,628.05
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Solution
The fourth proportional to 456,579.14, 684,898.76 and 119,628.05 is: 179,449.94
Step by Step Solution
- Step 1: Write the proportion equation
456,579.14 : 684,898.76 = 119,628.05 : x - Step 2: Convert to fraction form
456,579.14/684,898.76 = 119,628.05/x - Step 3: Cross multiply
456,579.14x = 684,898.76 × 119,628.05 - Step 4: Simplify right side
456,579.14x = 81,933,099,980.79 - Step 5: Solve for x
x = 81,933,099,980.79/456,579.14 - Step 6: Final answer
x = 179,449.94
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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.