Finding the Fourth Proportional to 210,108.48, 289,974.36 and 119,478.24
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Solution
The fourth proportional to 210,108.48, 289,974.36 and 119,478.24 is: 164,893.99
Step by Step Solution
- Step 1: Write the proportion equation
210,108.48 : 289,974.36 = 119,478.24 : x - Step 2: Convert to fraction form
210,108.48/289,974.36 = 119,478.24/x - Step 3: Cross multiply
210,108.48x = 289,974.36 × 119,478.24 - Step 4: Simplify right side
210,108.48x = 34,645,626,177.93 - Step 5: Solve for x
x = 34,645,626,177.93/210,108.48 - Step 6: Final answer
x = 164,893.99
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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.