Finding the Fourth Proportional to 403,849.08, 557,323.42 and 222,572.70
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Solution
The fourth proportional to 403,849.08, 557,323.42 and 222,572.70 is: 307,156.77
Step by Step Solution
- Step 1: Write the proportion equation
403,849.08 : 557,323.42 = 222,572.70 : x - Step 2: Convert to fraction form
403,849.08/557,323.42 = 222,572.70/x - Step 3: Cross multiply
403,849.08x = 557,323.42 × 222,572.70 - Step 4: Simplify right side
403,849.08x = 124,044,978,362.63 - Step 5: Solve for x
x = 124,044,978,362.63/403,849.08 - Step 6: Final answer
x = 307,156.77
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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.