Finding the Fourth Proportional to 423,414.67, 634,291.61 and 245,548.01
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Solution
The fourth proportional to 423,414.67, 634,291.61 and 245,548.01 is: 367,840.45
Step by Step Solution
- Step 1: Write the proportion equation
423,414.67 : 634,291.61 = 245,548.01 : x - Step 2: Convert to fraction form
423,414.67/634,291.61 = 245,548.01/x - Step 3: Cross multiply
423,414.67x = 634,291.61 × 245,548.01 - Step 4: Simplify right side
423,414.67x = 155,749,042,595.20 - Step 5: Solve for x
x = 155,749,042,595.20/423,414.67 - Step 6: Final answer
x = 367,840.45
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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.