Finding the Fourth Proportional to 280,266.96, 386,776.62 and 152,950.74
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Solution
The fourth proportional to 280,266.96, 386,776.62 and 152,950.74 is: 211,076.50
Step by Step Solution
- Step 1: Write the proportion equation
280,266.96 : 386,776.62 = 152,950.74 : x - Step 2: Convert to fraction form
280,266.96/386,776.62 = 152,950.74/x - Step 3: Cross multiply
280,266.96x = 386,776.62 × 152,950.74 - Step 4: Simplify right side
280,266.96x = 59,157,770,243.70 - Step 5: Solve for x
x = 59,157,770,243.70/280,266.96 - Step 6: Final answer
x = 211,076.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.