Finding the Fourth Proportional to 187,267.46, 280,929.20 and 68,929.79
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Solution
The fourth proportional to 187,267.46, 280,929.20 and 68,929.79 is: 103,404.99
Step by Step Solution
- Step 1: Write the proportion equation
187,267.46 : 280,929.20 = 68,929.79 : x - Step 2: Convert to fraction form
187,267.46/280,929.20 = 68,929.79/x - Step 3: Cross multiply
187,267.46x = 280,929.20 × 68,929.79 - Step 4: Simplify right side
187,267.46x = 19,364,389,011.57 - Step 5: Solve for x
x = 19,364,389,011.57/187,267.46 - Step 6: Final answer
x = 103,404.99
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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.