Finding the Fourth Proportional to 214,809.99, 320,056.38 and 202,737.75
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Solution
The fourth proportional to 214,809.99, 320,056.38 and 202,737.75 is: 302,069.33
Step by Step Solution
- Step 1: Write the proportion equation
214,809.99 : 320,056.38 = 202,737.75 : x - Step 2: Convert to fraction form
214,809.99/320,056.38 = 202,737.75/x - Step 3: Cross multiply
214,809.99x = 320,056.38 × 202,737.75 - Step 4: Simplify right side
214,809.99x = 64,887,510,354.35 - Step 5: Solve for x
x = 64,887,510,354.35/214,809.99 - Step 6: Final answer
x = 302,069.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.