Finding the Fourth Proportional to 236,178.74, 354,344.61 and 141,394.10
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Solution
The fourth proportional to 236,178.74, 354,344.61 and 141,394.10 is: 212,136.95
Step by Step Solution
- Step 1: Write the proportion equation
236,178.74 : 354,344.61 = 141,394.10 : x - Step 2: Convert to fraction form
236,178.74/354,344.61 = 141,394.10/x - Step 3: Cross multiply
236,178.74x = 354,344.61 × 141,394.10 - Step 4: Simplify right side
236,178.74x = 50,102,237,220.80 - Step 5: Solve for x
x = 50,102,237,220.80/236,178.74 - Step 6: Final answer
x = 212,136.95
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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.