Finding the Fourth Proportional to 626,374.91, 939,564.18 and 266,453.03
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Solution
The fourth proportional to 626,374.91, 939,564.18 and 266,453.03 is: 399,680.31
Step by Step Solution
- Step 1: Write the proportion equation
626,374.91 : 939,564.18 = 266,453.03 : x - Step 2: Convert to fraction form
626,374.91/939,564.18 = 266,453.03/x - Step 3: Cross multiply
626,374.91x = 939,564.18 × 266,453.03 - Step 4: Simplify right side
626,374.91x = 250,349,717,942.65 - Step 5: Solve for x
x = 250,349,717,942.65/626,374.91 - Step 6: Final answer
x = 399,680.31
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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.