Finding the Fourth Proportional to 417,257.65, 575,815.71 and 226,270.99
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Solution
The fourth proportional to 417,257.65, 575,815.71 and 226,270.99 is: 312,254.05
Step by Step Solution
- Step 1: Write the proportion equation
417,257.65 : 575,815.71 = 226,270.99 : x - Step 2: Convert to fraction form
417,257.65/575,815.71 = 226,270.99/x - Step 3: Cross multiply
417,257.65x = 575,815.71 × 226,270.99 - Step 4: Simplify right side
417,257.65x = 130,290,390,759.25 - Step 5: Solve for x
x = 130,290,390,759.25/417,257.65 - Step 6: Final answer
x = 312,254.05
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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.