Finding the Fourth Proportional to 771,545.94, 1,156,896.09 and 238,919.10
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Solution
The fourth proportional to 771,545.94, 1,156,896.09 and 238,919.10 is: 358,247.72
Step by Step Solution
- Step 1: Write the proportion equation
771,545.94 : 1,156,896.09 = 238,919.10 : x - Step 2: Convert to fraction form
771,545.94/1,156,896.09 = 238,919.10/x - Step 3: Cross multiply
771,545.94x = 1,156,896.09 × 238,919.10 - Step 4: Simplify right side
771,545.94x = 276,404,572,616.32 - Step 5: Solve for x
x = 276,404,572,616.32/771,545.94 - Step 6: Final answer
x = 358,247.72
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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.