Finding the Fourth Proportional to 192,779.51, 266,135.58 and 120,203.91
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Solution
The fourth proportional to 192,779.51, 266,135.58 and 120,203.91 is: 165,943.66
Step by Step Solution
- Step 1: Write the proportion equation
192,779.51 : 266,135.58 = 120,203.91 : x - Step 2: Convert to fraction form
192,779.51/266,135.58 = 120,203.91/x - Step 3: Cross multiply
192,779.51x = 266,135.58 × 120,203.91 - Step 4: Simplify right side
192,779.51x = 31,990,537,306.12 - Step 5: Solve for x
x = 31,990,537,306.12/192,779.51 - Step 6: Final answer
x = 165,943.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.