Finding the Fourth Proportional to 190,373.08, 262,709.11 and 104,331.01
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Solution
The fourth proportional to 190,373.08, 262,709.11 and 104,331.01 is: 143,973.65
Step by Step Solution
- Step 1: Write the proportion equation
190,373.08 : 262,709.11 = 104,331.01 : x - Step 2: Convert to fraction form
190,373.08/262,709.11 = 104,331.01/x - Step 3: Cross multiply
190,373.08x = 262,709.11 × 104,331.01 - Step 4: Simplify right side
190,373.08x = 27,408,706,782.50 - Step 5: Solve for x
x = 27,408,706,782.50/190,373.08 - Step 6: Final answer
x = 143,973.65
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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.