Finding the Fourth Proportional to 492,729.75, 679,968.68 and 266,376.87
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Solution
The fourth proportional to 492,729.75, 679,968.68 and 266,376.87 is: 367,600.96
Step by Step Solution
- Step 1: Write the proportion equation
492,729.75 : 679,968.68 = 266,376.87 : x - Step 2: Convert to fraction form
492,729.75/679,968.68 = 266,376.87/x - Step 3: Cross multiply
492,729.75x = 679,968.68 × 266,376.87 - Step 4: Simplify right side
492,729.75x = 181,127,927,344.55 - Step 5: Solve for x
x = 181,127,927,344.55/492,729.75 - Step 6: Final answer
x = 367,600.96
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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.