Finding the Fourth Proportional to 218,952.02, 328,575.36 and 76,798.58
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Solution
The fourth proportional to 218,952.02, 328,575.36 and 76,798.58 is: 115,249.55
Step by Step Solution
- Step 1: Write the proportion equation
218,952.02 : 328,575.36 = 76,798.58 : x - Step 2: Convert to fraction form
218,952.02/328,575.36 = 76,798.58/x - Step 3: Cross multiply
218,952.02x = 328,575.36 × 76,798.58 - Step 4: Simplify right side
218,952.02x = 25,234,121,070.99 - Step 5: Solve for x
x = 25,234,121,070.99/218,952.02 - Step 6: Final answer
x = 115,249.55
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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.