Finding the Fourth Proportional to 511,764.24, 767,816.24 and 156,781.74
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Solution
The fourth proportional to 511,764.24, 767,816.24 and 156,781.74 is: 235,224.65
Step by Step Solution
- Step 1: Write the proportion equation
511,764.24 : 767,816.24 = 156,781.74 : x - Step 2: Convert to fraction form
511,764.24/767,816.24 = 156,781.74/x - Step 3: Cross multiply
511,764.24x = 767,816.24 × 156,781.74 - Step 4: Simplify right side
511,764.24x = 120,379,565,323.55 - Step 5: Solve for x
x = 120,379,565,323.55/511,764.24 - Step 6: Final answer
x = 235,224.65
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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.