Finding the Fourth Proportional to 219,243.12, 328,873.86 and 69,480.12
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Solution
The fourth proportional to 219,243.12, 328,873.86 and 69,480.12 is: 104,223.09
Step by Step Solution
- Step 1: Write the proportion equation
219,243.12 : 328,873.86 = 69,480.12 : x - Step 2: Convert to fraction form
219,243.12/328,873.86 = 69,480.12/x - Step 3: Cross multiply
219,243.12x = 328,873.86 × 69,480.12 - Step 4: Simplify right side
219,243.12x = 22,850,195,257.66 - Step 5: Solve for x
x = 22,850,195,257.66/219,243.12 - Step 6: Final answer
x = 104,223.09
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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.