Finding the Fourth Proportional to 403,749.20, 605,626.09 and 104,209.30
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Solution
The fourth proportional to 403,749.20, 605,626.09 and 104,209.30 is: 156,314.54
Step by Step Solution
- Step 1: Write the proportion equation
403,749.20 : 605,626.09 = 104,209.30 : x - Step 2: Convert to fraction form
403,749.20/605,626.09 = 104,209.30/x - Step 3: Cross multiply
403,749.20x = 605,626.09 × 104,209.30 - Step 4: Simplify right side
403,749.20x = 63,111,871,690.24 - Step 5: Solve for x
x = 63,111,871,690.24/403,749.20 - Step 6: Final answer
x = 156,314.54
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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.