Finding the Fourth Proportional to 311,205.93, 429,459.62 and 175,240.14
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Solution
The fourth proportional to 311,205.93, 429,459.62 and 175,240.14 is: 241,828.82
Step by Step Solution
- Step 1: Write the proportion equation
311,205.93 : 429,459.62 = 175,240.14 : x - Step 2: Convert to fraction form
311,205.93/429,459.62 = 175,240.14/x - Step 3: Cross multiply
311,205.93x = 429,459.62 × 175,240.14 - Step 4: Simplify right side
311,205.93x = 75,258,563,056.95 - Step 5: Solve for x
x = 75,258,563,056.95/311,205.93 - Step 6: Final answer
x = 241,828.82
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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.