Finding the Fourth Proportional to 324,332.94, 486,545.92 and 99,712.23
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Solution
The fourth proportional to 324,332.94, 486,545.92 and 99,712.23 is: 149,582.65
Step by Step Solution
- Step 1: Write the proportion equation
324,332.94 : 486,545.92 = 99,712.23 : x - Step 2: Convert to fraction form
324,332.94/486,545.92 = 99,712.23/x - Step 3: Cross multiply
324,332.94x = 486,545.92 × 99,712.23 - Step 4: Simplify right side
324,332.94x = 48,514,579,904.48 - Step 5: Solve for x
x = 48,514,579,904.48/324,332.94 - Step 6: Final answer
x = 149,582.65
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1.5x scale
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.