Finding the Fourth Proportional to 665,529.13, 998,349.06 and 216,240.07
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Solution
The fourth proportional to 665,529.13, 998,349.06 and 216,240.07 is: 324,378.09
Step by Step Solution
- Step 1: Write the proportion equation
665,529.13 : 998,349.06 = 216,240.07 : x - Step 2: Convert to fraction form
665,529.13/998,349.06 = 216,240.07/x - Step 3: Cross multiply
665,529.13x = 998,349.06 × 216,240.07 - Step 4: Simplify right side
665,529.13x = 215,883,070,618.83 - Step 5: Solve for x
x = 215,883,070,618.83/665,529.13 - Step 6: Final answer
x = 324,378.09
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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.