Finding the Fourth Proportional to 542,141.99, 813,107.83 and 205,208.95
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Solution
The fourth proportional to 542,141.99, 813,107.83 and 205,208.95 is: 307,773.62
Step by Step Solution
- Step 1: Write the proportion equation
542,141.99 : 813,107.83 = 205,208.95 : x - Step 2: Convert to fraction form
542,141.99/813,107.83 = 205,208.95/x - Step 3: Cross multiply
542,141.99x = 813,107.83 × 205,208.95 - Step 4: Simplify right side
542,141.99x = 166,857,004,031.08 - Step 5: Solve for x
x = 166,857,004,031.08/542,141.99 - Step 6: Final answer
x = 307,773.62
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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.