Finding the Fourth Proportional to 444,164.60, 612,930.91 and 253,141.09
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Solution
The fourth proportional to 444,164.60, 612,930.91 and 253,141.09 is: 349,325.45
Step by Step Solution
- Step 1: Write the proportion equation
444,164.60 : 612,930.91 = 253,141.09 : x - Step 2: Convert to fraction form
444,164.60/612,930.91 = 253,141.09/x - Step 3: Cross multiply
444,164.60x = 612,930.91 × 253,141.09 - Step 4: Simplify right side
444,164.60x = 155,157,998,652.09 - Step 5: Solve for x
x = 155,157,998,652.09/444,164.60 - Step 6: Final answer
x = 349,325.45
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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.