Finding the Fourth Proportional to 492,782.49, 680,040.82 and 266,427.99
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Solution
The fourth proportional to 492,782.49, 680,040.82 and 266,427.99 is: 367,671.16
Step by Step Solution
- Step 1: Write the proportion equation
492,782.49 : 680,040.82 = 266,427.99 : x - Step 2: Convert to fraction form
492,782.49/680,040.82 = 266,427.99/x - Step 3: Cross multiply
492,782.49x = 680,040.82 × 266,427.99 - Step 4: Simplify right side
492,782.49x = 181,181,908,790.55 - Step 5: Solve for x
x = 181,181,908,790.55/492,782.49 - Step 6: Final answer
x = 367,671.16
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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.