Finding the Fourth Proportional to 370,058.22, 555,122.16 and 103,817.70
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Solution
The fourth proportional to 370,058.22, 555,122.16 and 103,817.70 is: 155,736.32
Step by Step Solution
- Step 1: Write the proportion equation
370,058.22 : 555,122.16 = 103,817.70 : x - Step 2: Convert to fraction form
370,058.22/555,122.16 = 103,817.70/x - Step 3: Cross multiply
370,058.22x = 555,122.16 × 103,817.70 - Step 4: Simplify right side
370,058.22x = 57,631,505,870.23 - Step 5: Solve for x
x = 57,631,505,870.23/370,058.22 - Step 6: Final answer
x = 155,736.32
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1.5x scale
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.