Finding the Fourth Proportional to 409,941.36, 614,647.08 and 160,648.56
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Solution
The fourth proportional to 409,941.36, 614,647.08 and 160,648.56 is: 240,869.01
Step by Step Solution
- Step 1: Write the proportion equation
409,941.36 : 614,647.08 = 160,648.56 : x - Step 2: Convert to fraction form
409,941.36/614,647.08 = 160,648.56/x - Step 3: Cross multiply
409,941.36x = 614,647.08 × 160,648.56 - Step 4: Simplify right side
409,941.36x = 98,742,168,310.20 - Step 5: Solve for x
x = 98,742,168,310.20/409,941.36 - Step 6: Final answer
x = 240,869.01
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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.