Finding the Fourth Proportional to 493,323.49, 680,788.43 and 266,968.99
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Solution
The fourth proportional to 493,323.49, 680,788.43 and 266,968.99 is: 368,418.30
Step by Step Solution
- Step 1: Write the proportion equation
493,323.49 : 680,788.43 = 266,968.99 : x - Step 2: Convert to fraction form
493,323.49/680,788.43 = 266,968.99/x - Step 3: Cross multiply
493,323.49x = 680,788.43 × 266,968.99 - Step 4: Simplify right side
493,323.49x = 181,749,399,560.79 - Step 5: Solve for x
x = 181,749,399,560.79/493,323.49 - Step 6: Final answer
x = 368,418.30
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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.