Finding the Fourth Proportional to 210,901.27, 291,043.74 and 115,407.97
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Solution
The fourth proportional to 210,901.27, 291,043.74 and 115,407.97 is: 159,262.99
Step by Step Solution
- Step 1: Write the proportion equation
210,901.27 : 291,043.74 = 115,407.97 : x - Step 2: Convert to fraction form
210,901.27/291,043.74 = 115,407.97/x - Step 3: Cross multiply
210,901.27x = 291,043.74 × 115,407.97 - Step 4: Simplify right side
210,901.27x = 33,588,767,214.61 - Step 5: Solve for x
x = 33,588,767,214.61/210,901.27 - Step 6: Final answer
x = 159,262.99
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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.