Finding the Fourth Proportional to 232,453.10, 348,544.14 and 90,132.09
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Solution
The fourth proportional to 232,453.10, 348,544.14 and 90,132.09 is: 135,145.59
Step by Step Solution
- Step 1: Write the proportion equation
232,453.10 : 348,544.14 = 90,132.09 : x - Step 2: Convert to fraction form
232,453.10/348,544.14 = 90,132.09/x - Step 3: Cross multiply
232,453.10x = 348,544.14 × 90,132.09 - Step 4: Simplify right side
232,453.10x = 31,415,011,795.45 - Step 5: Solve for x
x = 31,415,011,795.45/232,453.10 - Step 6: Final answer
x = 135,145.59
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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.