Finding the Fourth Proportional to 250,114.01, 345,125.16 and 142,677.62
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Solution
The fourth proportional to 250,114.01, 345,125.16 and 142,677.62 is: 196,876.76
Step by Step Solution
- Step 1: Write the proportion equation
250,114.01 : 345,125.16 = 142,677.62 : x - Step 2: Convert to fraction form
250,114.01/345,125.16 = 142,677.62/x - Step 3: Cross multiply
250,114.01x = 345,125.16 × 142,677.62 - Step 4: Simplify right side
250,114.01x = 49,241,636,430.92 - Step 5: Solve for x
x = 49,241,636,430.92/250,114.01 - Step 6: Final answer
x = 196,876.76
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1.5x scale
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.