Finding the Fourth Proportional to 120,607.58, 180,852.75 and 36,352.09
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Solution
The fourth proportional to 120,607.58, 180,852.75 and 36,352.09 is: 54,510.47
Step by Step Solution
- Step 1: Write the proportion equation
120,607.58 : 180,852.75 = 36,352.09 : x - Step 2: Convert to fraction form
120,607.58/180,852.75 = 36,352.09/x - Step 3: Cross multiply
120,607.58x = 180,852.75 × 36,352.09 - Step 4: Simplify right side
120,607.58x = 6,574,375,670.81 - Step 5: Solve for x
x = 6,574,375,670.81/120,607.58 - Step 6: Final answer
x = 54,510.47
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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.