Finding the Fourth Proportional to 159,129.14, 238,643.19 and 53,923.46
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Solution
The fourth proportional to 159,129.14, 238,643.19 and 53,923.46 is: 80,868.07
Step by Step Solution
- Step 1: Write the proportion equation
159,129.14 : 238,643.19 = 53,923.46 : x - Step 2: Convert to fraction form
159,129.14/238,643.19 = 53,923.46/x - Step 3: Cross multiply
159,129.14x = 238,643.19 × 53,923.46 - Step 4: Simplify right side
159,129.14x = 12,868,466,510.24 - Step 5: Solve for x
x = 12,868,466,510.24/159,129.14 - Step 6: Final answer
x = 80,868.07
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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.