Finding the Fourth Proportional to 542,948.99, 813,939.52 and 206,226.10
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Solution
The fourth proportional to 542,948.99, 813,939.52 and 206,226.10 is: 309,155.33
Step by Step Solution
- Step 1: Write the proportion equation
542,948.99 : 813,939.52 = 206,226.10 : x - Step 2: Convert to fraction form
542,948.99/813,939.52 = 206,226.10/x - Step 3: Cross multiply
542,948.99x = 813,939.52 × 206,226.10 - Step 4: Simplify right side
542,948.99x = 167,855,572,845.47 - Step 5: Solve for x
x = 167,855,572,845.47/542,948.99 - Step 6: Final answer
x = 309,155.33
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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.