Finding the Fourth Proportional to 140,782.33, 211,165.62 and 39,587.14
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Solution
The fourth proportional to 140,782.33, 211,165.62 and 39,587.14 is: 59,378.50
Step by Step Solution
- Step 1: Write the proportion equation
140,782.33 : 211,165.62 = 39,587.14 : x - Step 2: Convert to fraction form
140,782.33/211,165.62 = 39,587.14/x - Step 3: Cross multiply
140,782.33x = 211,165.62 × 39,587.14 - Step 4: Simplify right side
140,782.33x = 8,359,442,962.13 - Step 5: Solve for x
x = 8,359,442,962.13/140,782.33 - Step 6: Final answer
x = 59,378.50
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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.