Finding the Fourth Proportional to 221,094.79, 305,118.98 and 125,617.66
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Solution
The fourth proportional to 221,094.79, 305,118.98 and 125,617.66 is: 173,357.01
Step by Step Solution
- Step 1: Write the proportion equation
221,094.79 : 305,118.98 = 125,617.66 : x - Step 2: Convert to fraction form
221,094.79/305,118.98 = 125,617.66/x - Step 3: Cross multiply
221,094.79x = 305,118.98 × 125,617.66 - Step 4: Simplify right side
221,094.79x = 38,328,331,661.10 - Step 5: Solve for x
x = 38,328,331,661.10/221,094.79 - Step 6: Final answer
x = 173,357.01
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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.