Finding the Fourth Proportional to 192,209.08, 288,354.12 and 72,266.80
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Solution
The fourth proportional to 192,209.08, 288,354.12 and 72,266.80 is: 108,415.43
Step by Step Solution
- Step 1: Write the proportion equation
192,209.08 : 288,354.12 = 72,266.80 : x - Step 2: Convert to fraction form
192,209.08/288,354.12 = 72,266.80/x - Step 3: Cross multiply
192,209.08x = 288,354.12 × 72,266.80 - Step 4: Simplify right side
192,209.08x = 20,838,429,519.22 - Step 5: Solve for x
x = 20,838,429,519.22/192,209.08 - Step 6: Final answer
x = 108,415.43
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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.