Finding the Fourth Proportional to 411,427.13, 567,540.82 and 239,325.74
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Solution
The fourth proportional to 411,427.13, 567,540.82 and 239,325.74 is: 330,136.52
Step by Step Solution
- Step 1: Write the proportion equation
411,427.13 : 567,540.82 = 239,325.74 : x - Step 2: Convert to fraction form
411,427.13/567,540.82 = 239,325.74/x - Step 3: Cross multiply
411,427.13x = 567,540.82 × 239,325.74 - Step 4: Simplify right side
411,427.13x = 135,827,122,692.37 - Step 5: Solve for x
x = 135,827,122,692.37/411,427.13 - Step 6: Final answer
x = 330,136.52
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1.5x scale
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.