Finding the Fourth Proportional to 356,991.21, 534,757.82 and 199,303.65
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Solution
The fourth proportional to 356,991.21, 534,757.82 and 199,303.65 is: 298,548.48
Step by Step Solution
- Step 1: Write the proportion equation
356,991.21 : 534,757.82 = 199,303.65 : x - Step 2: Convert to fraction form
356,991.21/534,757.82 = 199,303.65/x - Step 3: Cross multiply
356,991.21x = 534,757.82 × 199,303.65 - Step 4: Simplify right side
356,991.21x = 106,579,184,395.53 - Step 5: Solve for x
x = 106,579,184,395.53/356,991.21 - Step 6: Final answer
x = 298,548.48
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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.