Finding the Fourth Proportional to 450,936.10, 676,409.82 and 135,374.68
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Solution
The fourth proportional to 450,936.10, 676,409.82 and 135,374.68 is: 203,063.72
Step by Step Solution
- Step 1: Write the proportion equation
450,936.10 : 676,409.82 = 135,374.68 : x - Step 2: Convert to fraction form
450,936.10/676,409.82 = 135,374.68/x - Step 3: Cross multiply
450,936.10x = 676,409.82 × 135,374.68 - Step 4: Simplify right side
450,936.10x = 91,568,762,931.36 - Step 5: Solve for x
x = 91,568,762,931.36/450,936.10 - Step 6: Final answer
x = 203,063.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.