Finding the Fourth Proportional to 225,080.57, 310,608.68 and 123,108.96
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Solution
The fourth proportional to 225,080.57, 310,608.68 and 123,108.96 is: 169,888.99
Step by Step Solution
- Step 1: Write the proportion equation
225,080.57 : 310,608.68 = 123,108.96 : x - Step 2: Convert to fraction form
225,080.57/310,608.68 = 123,108.96/x - Step 3: Cross multiply
225,080.57x = 310,608.68 × 123,108.96 - Step 4: Simplify right side
225,080.57x = 38,238,712,111.01 - Step 5: Solve for x
x = 38,238,712,111.01/225,080.57 - Step 6: Final answer
x = 169,888.99
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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.