Finding the Fourth Proportional to 156,852.44, 235,114.17 and 76,779.99
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Solution
The fourth proportional to 156,852.44, 235,114.17 and 76,779.99 is: 115,089.47
Step by Step Solution
- Step 1: Write the proportion equation
156,852.44 : 235,114.17 = 76,779.99 : x - Step 2: Convert to fraction form
156,852.44/235,114.17 = 76,779.99/x - Step 3: Cross multiply
156,852.44x = 235,114.17 × 76,779.99 - Step 4: Simplify right side
156,852.44x = 18,052,063,621.46 - Step 5: Solve for x
x = 18,052,063,621.46/156,852.44 - Step 6: Final answer
x = 115,089.47
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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.