Finding the Fourth Proportional to 268,437.63, 370,434.46 and 147,578.05
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Solution
The fourth proportional to 268,437.63, 370,434.46 and 147,578.05 is: 203,652.50
Step by Step Solution
- Step 1: Write the proportion equation
268,437.63 : 370,434.46 = 147,578.05 : x - Step 2: Convert to fraction form
268,437.63/370,434.46 = 147,578.05/x - Step 3: Cross multiply
268,437.63x = 370,434.46 × 147,578.05 - Step 4: Simplify right side
268,437.63x = 54,667,995,259.60 - Step 5: Solve for x
x = 54,667,995,259.60/268,437.63 - Step 6: Final answer
x = 203,652.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.