Finding the Fourth Proportional to 378,353.97, 566,999.86 and 207,135.52
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Solution
The fourth proportional to 378,353.97, 566,999.86 and 207,135.52 is: 310,412.52
Step by Step Solution
- Step 1: Write the proportion equation
378,353.97 : 566,999.86 = 207,135.52 : x - Step 2: Convert to fraction form
378,353.97/566,999.86 = 207,135.52/x - Step 3: Cross multiply
378,353.97x = 566,999.86 × 207,135.52 - Step 4: Simplify right side
378,353.97x = 117,445,808,788.01 - Step 5: Solve for x
x = 117,445,808,788.01/378,353.97 - Step 6: Final answer
x = 310,412.52
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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.