Finding the Fourth Proportional to 250,263.79, 345,362.26 and 135,539.84
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Solution
The fourth proportional to 250,263.79, 345,362.26 and 135,539.84 is: 187,044.02
Step by Step Solution
- Step 1: Write the proportion equation
250,263.79 : 345,362.26 = 135,539.84 : x - Step 2: Convert to fraction form
250,263.79/345,362.26 = 135,539.84/x - Step 3: Cross multiply
250,263.79x = 345,362.26 × 135,539.84 - Step 4: Simplify right side
250,263.79x = 46,810,345,462.44 - Step 5: Solve for x
x = 46,810,345,462.44/250,263.79 - Step 6: Final answer
x = 187,044.02
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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.