Finding the Fourth Proportional to 341,594.10, 512,409.80 and 141,934.68
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Solution
The fourth proportional to 341,594.10, 512,409.80 and 141,934.68 is: 212,909.77
Step by Step Solution
- Step 1: Write the proportion equation
341,594.10 : 512,409.80 = 141,934.68 : x - Step 2: Convert to fraction form
341,594.10/512,409.80 = 141,934.68/x - Step 3: Cross multiply
341,594.10x = 512,409.80 × 141,934.68 - Step 4: Simplify right side
341,594.10x = 72,728,721,346.70 - Step 5: Solve for x
x = 72,728,721,346.70/341,594.10 - Step 6: Final answer
x = 212,909.77
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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.