Finding the Fourth Proportional to 189,570.98, 261,605.85 and 104,686.34
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Solution
The fourth proportional to 189,570.98, 261,605.85 and 104,686.34 is: 144,465.99
Step by Step Solution
- Step 1: Write the proportion equation
189,570.98 : 261,605.85 = 104,686.34 : x - Step 2: Convert to fraction form
189,570.98/261,605.85 = 104,686.34/x - Step 3: Cross multiply
189,570.98x = 261,605.85 × 104,686.34 - Step 4: Simplify right side
189,570.98x = 27,386,558,959.09 - Step 5: Solve for x
x = 27,386,558,959.09/189,570.98 - Step 6: Final answer
x = 144,465.99
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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.