Finding the Fourth Proportional to 153,958.24, 230,937.18 and 83,689.84
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Solution
The fourth proportional to 153,958.24, 230,937.18 and 83,689.84 is: 125,534.66
Step by Step Solution
- Step 1: Write the proportion equation
153,958.24 : 230,937.18 = 83,689.84 : x - Step 2: Convert to fraction form
153,958.24/230,937.18 = 83,689.84/x - Step 3: Cross multiply
153,958.24x = 230,937.18 × 83,689.84 - Step 4: Simplify right side
153,958.24x = 19,327,095,644.25 - Step 5: Solve for x
x = 19,327,095,644.25/153,958.24 - Step 6: Final answer
x = 125,534.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.