Finding the Fourth Proportional to 159,862.19, 239,741.36 and 53,217.50
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Solution
The fourth proportional to 159,862.19, 239,741.36 and 53,217.50 is: 79,808.96
Step by Step Solution
- Step 1: Write the proportion equation
159,862.19 : 239,741.36 = 53,217.50 : x - Step 2: Convert to fraction form
159,862.19/239,741.36 = 53,217.50/x - Step 3: Cross multiply
159,862.19x = 239,741.36 × 53,217.50 - Step 4: Simplify right side
159,862.19x = 12,758,435,825.80 - Step 5: Solve for x
x = 12,758,435,825.80/159,862.19 - Step 6: Final answer
x = 79,808.96
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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.