Finding the Fourth Proportional to 411,521.04, 567,987.85 and 250,427.99
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Solution
The fourth proportional to 411,521.04, 567,987.85 and 250,427.99 is: 345,644.67
Step by Step Solution
- Step 1: Write the proportion equation
411,521.04 : 567,987.85 = 250,427.99 : x - Step 2: Convert to fraction form
411,521.04/567,987.85 = 250,427.99/x - Step 3: Cross multiply
411,521.04x = 567,987.85 × 250,427.99 - Step 4: Simplify right side
411,521.04x = 142,240,052,749.34 - Step 5: Solve for x
x = 142,240,052,749.34/411,521.04 - Step 6: Final answer
x = 345,644.67
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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.