Finding the Fourth Proportional to 538,776.75, 808,169.18 and 239,176.79
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Solution
The fourth proportional to 538,776.75, 808,169.18 and 239,176.79 is: 358,766.98
Step by Step Solution
- Step 1: Write the proportion equation
538,776.75 : 808,169.18 = 239,176.79 : x - Step 2: Convert to fraction form
538,776.75/808,169.18 = 239,176.79/x - Step 3: Cross multiply
538,776.75x = 808,169.18 × 239,176.79 - Step 4: Simplify right side
538,776.75x = 193,295,305,012.60 - Step 5: Solve for x
x = 193,295,305,012.60/538,776.75 - Step 6: Final answer
x = 358,766.98
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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.