Finding the Fourth Proportional to 456,313.68, 684,470.52 and 123,889.68
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Solution
The fourth proportional to 456,313.68, 684,470.52 and 123,889.68 is: 185,834.52
Step by Step Solution
- Step 1: Write the proportion equation
456,313.68 : 684,470.52 = 123,889.68 : x - Step 2: Convert to fraction form
456,313.68/684,470.52 = 123,889.68/x - Step 3: Cross multiply
456,313.68x = 684,470.52 × 123,889.68 - Step 4: Simplify right side
456,313.68x = 84,798,833,692.23 - Step 5: Solve for x
x = 84,798,833,692.23/456,313.68 - Step 6: Final answer
x = 185,834.52
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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.