Finding the Fourth Proportional to 303,432.62, 455,158.68 and 103,744.94
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Solution
The fourth proportional to 303,432.62, 455,158.68 and 103,744.94 is: 155,620.74
Step by Step Solution
- Step 1: Write the proportion equation
303,432.62 : 455,158.68 = 103,744.94 : x - Step 2: Convert to fraction form
303,432.62/455,158.68 = 103,744.94/x - Step 3: Cross multiply
303,432.62x = 455,158.68 × 103,744.94 - Step 4: Simplify right side
303,432.62x = 47,220,409,947.08 - Step 5: Solve for x
x = 47,220,409,947.08/303,432.62 - Step 6: Final answer
x = 155,620.74
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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.