Finding the Fourth Proportional to 432,685.68, 649,260.87 and 180,140.49
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Solution
The fourth proportional to 432,685.68, 649,260.87 and 180,140.49 is: 270,307.47
Step by Step Solution
- Step 1: Write the proportion equation
432,685.68 : 649,260.87 = 180,140.49 : x - Step 2: Convert to fraction form
432,685.68/649,260.87 = 180,140.49/x - Step 3: Cross multiply
432,685.68x = 649,260.87 × 180,140.49 - Step 4: Simplify right side
432,685.68x = 116,958,171,259.63 - Step 5: Solve for x
x = 116,958,171,259.63/432,685.68 - Step 6: Final answer
x = 270,307.47
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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.