Finding the Fourth Proportional to 216,840.71, 299,101.33 and 173,923.18
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Solution
The fourth proportional to 216,840.71, 299,101.33 and 173,923.18 is: 239,902.62
Step by Step Solution
- Step 1: Write the proportion equation
216,840.71 : 299,101.33 = 173,923.18 : x - Step 2: Convert to fraction form
216,840.71/299,101.33 = 173,923.18/x - Step 3: Cross multiply
216,840.71x = 299,101.33 × 173,923.18 - Step 4: Simplify right side
216,840.71x = 52,020,654,455.83 - Step 5: Solve for x
x = 52,020,654,455.83/216,840.71 - Step 6: Final answer
x = 239,902.62
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1.5x scale
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.