Finding the Fourth Proportional to 492,781.49, 680,039.44 and 266,426.99
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Solution
The fourth proportional to 492,781.49, 680,039.44 and 266,426.99 is: 367,669.77
Step by Step Solution
- Step 1: Write the proportion equation
492,781.49 : 680,039.44 = 266,426.99 : x - Step 2: Convert to fraction form
492,781.49/680,039.44 = 266,426.99/x - Step 3: Cross multiply
492,781.49x = 680,039.44 × 266,426.99 - Step 4: Simplify right side
492,781.49x = 181,180,857,680.29 - Step 5: Solve for x
x = 181,180,857,680.29/492,781.49 - Step 6: Final answer
x = 367,669.77
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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.