Finding the Fourth Proportional to 261,830.40, 392,776.37 and 93,374.68
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Solution
The fourth proportional to 261,830.40, 392,776.37 and 93,374.68 is: 140,072.99
Step by Step Solution
- Step 1: Write the proportion equation
261,830.40 : 392,776.37 = 93,374.68 : x - Step 2: Convert to fraction form
261,830.40/392,776.37 = 93,374.68/x - Step 3: Cross multiply
261,830.40x = 392,776.37 × 93,374.68 - Step 4: Simplify right side
261,830.40x = 36,675,367,393.44 - Step 5: Solve for x
x = 36,675,367,393.44/261,830.40 - Step 6: Final answer
x = 140,072.99
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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.