Finding the Fourth Proportional to 159,798.24, 220,442.58 and 104,574.87
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Solution
The fourth proportional to 159,798.24, 220,442.58 and 104,574.87 is: 144,261.63
Step by Step Solution
- Step 1: Write the proportion equation
159,798.24 : 220,442.58 = 104,574.87 : x - Step 2: Convert to fraction form
159,798.24/220,442.58 = 104,574.87/x - Step 3: Cross multiply
159,798.24x = 220,442.58 × 104,574.87 - Step 4: Simplify right side
159,798.24x = 23,052,754,145.96 - Step 5: Solve for x
x = 23,052,754,145.96/159,798.24 - Step 6: Final answer
x = 144,261.63
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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.