Finding the Fourth Proportional to 148,545.92, 205,021.68 and 116,216.12
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Solution
The fourth proportional to 148,545.92, 205,021.68 and 116,216.12 is: 160,400.39
Step by Step Solution
- Step 1: Write the proportion equation
148,545.92 : 205,021.68 = 116,216.12 : x - Step 2: Convert to fraction form
148,545.92/205,021.68 = 116,216.12/x - Step 3: Cross multiply
148,545.92x = 205,021.68 × 116,216.12 - Step 4: Simplify right side
148,545.92x = 23,826,824,165.48 - Step 5: Solve for x
x = 23,826,824,165.48/148,545.92 - Step 6: Final answer
x = 160,400.39
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1.5x scale
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.