Finding the Fourth Proportional to 186,588.15, 257,492.04 and 122,101.62
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Solution
The fourth proportional to 186,588.15, 257,492.04 and 122,101.62 is: 168,500.49
Step by Step Solution
- Step 1: Write the proportion equation
186,588.15 : 257,492.04 = 122,101.62 : x - Step 2: Convert to fraction form
186,588.15/257,492.04 = 122,101.62/x - Step 3: Cross multiply
186,588.15x = 257,492.04 × 122,101.62 - Step 4: Simplify right side
186,588.15x = 31,440,195,221.10 - Step 5: Solve for x
x = 31,440,195,221.10/186,588.15 - Step 6: Final answer
x = 168,500.49
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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.