Finding the Fourth Proportional to 435,297.12, 652,928.67 and 119,745.42
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Solution
The fourth proportional to 435,297.12, 652,928.67 and 119,745.42 is: 179,613.45
Step by Step Solution
- Step 1: Write the proportion equation
435,297.12 : 652,928.67 = 119,745.42 : x - Step 2: Convert to fraction form
435,297.12/652,928.67 = 119,745.42/x - Step 3: Cross multiply
435,297.12x = 652,928.67 × 119,745.42 - Step 4: Simplify right side
435,297.12x = 78,185,217,819.19 - Step 5: Solve for x
x = 78,185,217,819.19/435,297.12 - Step 6: Final answer
x = 179,613.45
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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.