Finding the Fourth Proportional to 159,388.68, 239,114.52 and 47,070.84
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Solution
The fourth proportional to 159,388.68, 239,114.52 and 47,070.84 is: 70,615.56
Step by Step Solution
- Step 1: Write the proportion equation
159,388.68 : 239,114.52 = 47,070.84 : x - Step 2: Convert to fraction form
159,388.68/239,114.52 = 47,070.84/x - Step 3: Cross multiply
159,388.68x = 239,114.52 × 47,070.84 - Step 4: Simplify right side
159,388.68x = 11,255,321,312.60 - Step 5: Solve for x
x = 11,255,321,312.60/159,388.68 - Step 6: Final answer
x = 70,615.56
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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.