Finding the Fourth Proportional to 120,312.08, 180,465.99 and 41,424.56
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Solution
The fourth proportional to 120,312.08, 180,465.99 and 41,424.56 is: 62,136.11
Step by Step Solution
- Step 1: Write the proportion equation
120,312.08 : 180,465.99 = 41,424.56 : x - Step 2: Convert to fraction form
120,312.08/180,465.99 = 41,424.56/x - Step 3: Cross multiply
120,312.08x = 180,465.99 × 41,424.56 - Step 4: Simplify right side
120,312.08x = 7,475,724,230.71 - Step 5: Solve for x
x = 7,475,724,230.71/120,312.08 - Step 6: Final answer
x = 62,136.11
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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.