Finding the Fourth Proportional to 511,840.41, 767,872.94 and 156,881.13
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Solution
The fourth proportional to 511,840.41, 767,872.94 and 156,881.13 is: 235,356.12
Step by Step Solution
- Step 1: Write the proportion equation
511,840.41 : 767,872.94 = 156,881.13 : x - Step 2: Convert to fraction form
511,840.41/767,872.94 = 156,881.13/x - Step 3: Cross multiply
511,840.41x = 767,872.94 × 156,881.13 - Step 4: Simplify right side
511,840.41x = 120,464,773,739.22 - Step 5: Solve for x
x = 120,464,773,739.22/511,840.41 - Step 6: Final answer
x = 235,356.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.