Finding the Fourth Proportional to 192,006.98, 288,259.95 and 147,665.15
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Solution
The fourth proportional to 192,006.98, 288,259.95 and 147,665.15 is: 221,689.59
Step by Step Solution
- Step 1: Write the proportion equation
192,006.98 : 288,259.95 = 147,665.15 : x - Step 2: Convert to fraction form
192,006.98/288,259.95 = 147,665.15/x - Step 3: Cross multiply
192,006.98x = 288,259.95 × 147,665.15 - Step 4: Simplify right side
192,006.98x = 42,565,948,755.74 - Step 5: Solve for x
x = 42,565,948,755.74/192,006.98 - Step 6: Final answer
x = 221,689.59
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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.