Finding the Fourth Proportional to 356,997.24, 534,766.80 and 199,309.68
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Solution
The fourth proportional to 356,997.24, 534,766.80 and 199,309.68 is: 298,557.49
Step by Step Solution
- Step 1: Write the proportion equation
356,997.24 : 534,766.80 = 199,309.68 : x - Step 2: Convert to fraction form
356,997.24/534,766.80 = 199,309.68/x - Step 3: Cross multiply
356,997.24x = 534,766.80 × 199,309.68 - Step 4: Simplify right side
356,997.24x = 106,584,199,782.62 - Step 5: Solve for x
x = 106,584,199,782.62/356,997.24 - Step 6: Final answer
x = 298,557.49
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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.