Finding the Fourth Proportional to 220,899.16, 304,842.06 and 124,107.10
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Solution
The fourth proportional to 220,899.16, 304,842.06 and 124,107.10 is: 171,268.48
Step by Step Solution
- Step 1: Write the proportion equation
220,899.16 : 304,842.06 = 124,107.10 : x - Step 2: Convert to fraction form
220,899.16/304,842.06 = 124,107.10/x - Step 3: Cross multiply
220,899.16x = 304,842.06 × 124,107.10 - Step 4: Simplify right side
220,899.16x = 37,833,064,024.63 - Step 5: Solve for x
x = 37,833,064,024.63/220,899.16 - Step 6: Final answer
x = 171,268.48
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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.