Finding the Fourth Proportional to 381,414.74, 572,200.79 and 125,266.62
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Solution
The fourth proportional to 381,414.74, 572,200.79 and 125,266.62 is: 187,925.77
Step by Step Solution
- Step 1: Write the proportion equation
381,414.74 : 572,200.79 = 125,266.62 : x - Step 2: Convert to fraction form
381,414.74/572,200.79 = 125,266.62/x - Step 3: Cross multiply
381,414.74x = 572,200.79 × 125,266.62 - Step 4: Simplify right side
381,414.74x = 71,677,658,924.63 - Step 5: Solve for x
x = 71,677,658,924.63/381,414.74 - Step 6: Final answer
x = 187,925.77
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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.