Finding the Fourth Proportional to 341,319.36, 512,207.58 and 141,639.95
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Solution
The fourth proportional to 341,319.36, 512,207.58 and 141,639.95 is: 212,554.76
Step by Step Solution
- Step 1: Write the proportion equation
341,319.36 : 512,207.58 = 141,639.95 : x - Step 2: Convert to fraction form
341,319.36/512,207.58 = 141,639.95/x - Step 3: Cross multiply
341,319.36x = 512,207.58 × 141,639.95 - Step 4: Simplify right side
341,319.36x = 72,549,053,459.78 - Step 5: Solve for x
x = 72,549,053,459.78/341,319.36 - Step 6: Final answer
x = 212,554.76
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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.