Finding the Fourth Proportional to 450,424.91, 621,584.68 and 243,692.62
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Solution
The fourth proportional to 450,424.91, 621,584.68 and 243,692.62 is: 336,294.90
Step by Step Solution
- Step 1: Write the proportion equation
450,424.91 : 621,584.68 = 243,692.62 : x - Step 2: Convert to fraction form
450,424.91/621,584.68 = 243,692.62/x - Step 3: Cross multiply
450,424.91x = 621,584.68 × 243,692.62 - Step 4: Simplify right side
450,424.91x = 151,475,598,654.60 - Step 5: Solve for x
x = 151,475,598,654.60/450,424.91 - Step 6: Final answer
x = 336,294.90
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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.