Finding the Fourth Proportional to 386,437.02, 533,291.64 and 214,349.38
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Solution
The fourth proportional to 386,437.02, 533,291.64 and 214,349.38 is: 295,806.88
Step by Step Solution
- Step 1: Write the proportion equation
386,437.02 : 533,291.64 = 214,349.38 : x - Step 2: Convert to fraction form
386,437.02/533,291.64 = 214,349.38/x - Step 3: Cross multiply
386,437.02x = 533,291.64 × 214,349.38 - Step 4: Simplify right side
386,437.02x = 114,310,730,256.14 - Step 5: Solve for x
x = 114,310,730,256.14/386,437.02 - Step 6: Final answer
x = 295,806.88
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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.