Finding the Fourth Proportional to 251,727.42, 377,590.67 and 74,358.98
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Solution
The fourth proportional to 251,727.42, 377,590.67 and 74,358.98 is: 111,538.33
Step by Step Solution
- Step 1: Write the proportion equation
251,727.42 : 377,590.67 = 74,358.98 : x - Step 2: Convert to fraction form
251,727.42/377,590.67 = 74,358.98/x - Step 3: Cross multiply
251,727.42x = 377,590.67 × 74,358.98 - Step 4: Simplify right side
251,727.42x = 28,077,254,818.97 - Step 5: Solve for x
x = 28,077,254,818.97/251,727.42 - Step 6: Final answer
x = 111,538.33
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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.