Finding the Fourth Proportional to 187,319.18, 280,984.92 and 68,962.84
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Solution
The fourth proportional to 187,319.18, 280,984.92 and 68,962.84 is: 103,446.52
Step by Step Solution
- Step 1: Write the proportion equation
187,319.18 : 280,984.92 = 68,962.84 : x - Step 2: Convert to fraction form
187,319.18/280,984.92 = 68,962.84/x - Step 3: Cross multiply
187,319.18x = 280,984.92 × 68,962.84 - Step 4: Simplify right side
187,319.18x = 19,377,518,080.37 - Step 5: Solve for x
x = 19,377,518,080.37/187,319.18 - Step 6: Final answer
x = 103,446.52
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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.