Finding the Fourth Proportional to 256,545.24, 384,453.36 and 121,465.19
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Solution
The fourth proportional to 256,545.24, 384,453.36 and 121,465.19 is: 182,025.20
Step by Step Solution
- Step 1: Write the proportion equation
256,545.24 : 384,453.36 = 121,465.19 : x - Step 2: Convert to fraction form
256,545.24/384,453.36 = 121,465.19/x - Step 3: Cross multiply
256,545.24x = 384,453.36 × 121,465.19 - Step 4: Simplify right side
256,545.24x = 46,697,698,496.27 - Step 5: Solve for x
x = 46,697,698,496.27/256,545.24 - Step 6: Final answer
x = 182,025.20
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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.