Finding the Fourth Proportional to 424,614.35, 636,926.99 and 125,026.80
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Solution
The fourth proportional to 424,614.35, 636,926.99 and 125,026.80 is: 187,541.81
Step by Step Solution
- Step 1: Write the proportion equation
424,614.35 : 636,926.99 = 125,026.80 : x - Step 2: Convert to fraction form
424,614.35/636,926.99 = 125,026.80/x - Step 3: Cross multiply
424,614.35x = 636,926.99 × 125,026.80 - Step 4: Simplify right side
424,614.35x = 79,632,942,768.20 - Step 5: Solve for x
x = 79,632,942,768.20/424,614.35 - Step 6: Final answer
x = 187,541.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.