Finding the Fourth Proportional to 180,142.25, 248,598.99 and 104,690.75
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Solution
The fourth proportional to 180,142.25, 248,598.99 and 104,690.75 is: 144,474.79
Step by Step Solution
- Step 1: Write the proportion equation
180,142.25 : 248,598.99 = 104,690.75 : x - Step 2: Convert to fraction form
180,142.25/248,598.99 = 104,690.75/x - Step 3: Cross multiply
180,142.25x = 248,598.99 × 104,690.75 - Step 4: Simplify right side
180,142.25x = 26,026,013,469.35 - Step 5: Solve for x
x = 26,026,013,469.35/180,142.25 - Step 6: Final answer
x = 144,474.79
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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.