Finding the Fourth Proportional to 159,782.93, 239,656.69 and 57,196.19
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Solution
The fourth proportional to 159,782.93, 239,656.69 and 57,196.19 is: 85,787.94
Step by Step Solution
- Step 1: Write the proportion equation
159,782.93 : 239,656.69 = 57,196.19 : x - Step 2: Convert to fraction form
159,782.93/239,656.69 = 57,196.19/x - Step 3: Cross multiply
159,782.93x = 239,656.69 × 57,196.19 - Step 4: Simplify right side
159,782.93x = 13,707,448,994.30 - Step 5: Solve for x
x = 13,707,448,994.30/159,782.93 - Step 6: Final answer
x = 85,787.94
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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.