Finding the Fourth Proportional to 344,520.19, 516,781.09 and 104,635.95
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Solution
The fourth proportional to 344,520.19, 516,781.09 and 104,635.95 is: 156,954.17
Step by Step Solution
- Step 1: Write the proportion equation
344,520.19 : 516,781.09 = 104,635.95 : x - Step 2: Convert to fraction form
344,520.19/516,781.09 = 104,635.95/x - Step 3: Cross multiply
344,520.19x = 516,781.09 × 104,635.95 - Step 4: Simplify right side
344,520.19x = 54,073,881,099.66 - Step 5: Solve for x
x = 54,073,881,099.66/344,520.19 - Step 6: Final answer
x = 156,954.17
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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.