Finding the Fourth Proportional to 144,545.68, 199,458.99 and 84,124.33
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Solution
The fourth proportional to 144,545.68, 199,458.99 and 84,124.33 is: 116,083.40
Step by Step Solution
- Step 1: Write the proportion equation
144,545.68 : 199,458.99 = 84,124.33 : x - Step 2: Convert to fraction form
144,545.68/199,458.99 = 84,124.33/x - Step 3: Cross multiply
144,545.68x = 199,458.99 × 84,124.33 - Step 4: Simplify right side
144,545.68x = 16,779,353,896.23 - Step 5: Solve for x
x = 16,779,353,896.23/144,545.68 - Step 6: Final answer
x = 116,083.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.