Finding the Fourth Proportional to 261,136.58, 360,235.84 and 170,545.57
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Solution
The fourth proportional to 261,136.58, 360,235.84 and 170,545.57 is: 235,266.26
Step by Step Solution
- Step 1: Write the proportion equation
261,136.58 : 360,235.84 = 170,545.57 : x - Step 2: Convert to fraction form
261,136.58/360,235.84 = 170,545.57/x - Step 3: Cross multiply
261,136.58x = 360,235.84 × 170,545.57 - Step 4: Simplify right side
261,136.58x = 61,436,626,667.23 - Step 5: Solve for x
x = 61,436,626,667.23/261,136.58 - Step 6: Final answer
x = 235,266.26
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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.